pub type c_char = i8;
pub type c_long = i64;
pub type c_ulong = u64;
pub type caddr_t = *mut ::c_char;

pub type clockid_t = ::c_int;
pub type blkcnt_t = ::c_long;
pub type clock_t = ::c_long;
pub type daddr_t = ::c_long;
pub type dev_t = ::c_ulong;
pub type fsblkcnt_t = ::c_ulong;
pub type fsfilcnt_t = ::c_ulong;
pub type ino_t = ::c_ulong;
pub type key_t = ::c_int;
pub type major_t = ::c_uint;
pub type minor_t = ::c_uint;
pub type mode_t = ::c_uint;
pub type nlink_t = ::c_uint;
pub type rlim_t = ::c_ulong;
pub type speed_t = ::c_uint;
pub type tcflag_t = ::c_uint;
pub type time_t = ::c_long;
pub type timer_t = ::c_int;
pub type wchar_t = ::c_int;
pub type nfds_t = ::c_ulong;
pub type projid_t = ::c_int;
pub type zoneid_t = ::c_int;
pub type psetid_t = ::c_int;
pub type processorid_t = ::c_int;
pub type chipid_t = ::c_int;

pub type suseconds_t = ::c_long;
pub type off_t = ::c_long;
pub type useconds_t = ::c_uint;
pub type socklen_t = ::c_uint;
pub type sa_family_t = u16;
pub type pthread_t = ::c_uint;
pub type pthread_key_t = ::c_uint;
pub type thread_t = ::c_uint;
pub type blksize_t = ::c_int;
pub type nl_item = ::c_int;
pub type mqd_t = *mut ::c_void;
pub type id_t = ::c_int;
pub type idtype_t = ::c_uint;
pub type shmatt_t = ::c_ulong;

pub type lgrp_rsrc_t = ::c_int;
pub type lgrp_affinity_t = ::c_int;
pub type lgrp_id_t = ::id_t;
pub type lgrp_mem_size_t = ::c_longlong;
pub type lgrp_cookie_t = ::uintptr_t;
pub type lgrp_content_t = ::c_uint;
pub type lgrp_lat_between_t = ::c_uint;
pub type lgrp_mem_size_flag_t = ::c_uint;
pub type lgrp_view_t = ::c_uint;

#[cfg_attr(feature = "extra_traits", derive(Debug))]
pub enum timezone {}
impl ::Copy for timezone {}
impl ::Clone for timezone {
    fn clone(&self) -> timezone {
        *self
    }
}

#[cfg_attr(feature = "extra_traits", derive(Debug))]
pub enum ucred_t {}
impl ::Copy for ucred_t {}
impl ::Clone for ucred_t {
    fn clone(&self) -> ucred_t {
        *self
    }
}

s! {
    pub struct in_addr {
        pub s_addr: ::in_addr_t,
    }

    pub struct ip_mreq {
        pub imr_multiaddr: in_addr,
        pub imr_interface: in_addr,
    }

    pub struct ipc_perm {
        pub uid: ::uid_t,
        pub gid: ::gid_t,
        pub cuid: ::uid_t,
        pub cgid: ::gid_t,
        pub mode: ::mode_t,
        pub seq: ::c_uint,
        pub key: ::key_t,
    }

    pub struct sockaddr {
        pub sa_family: sa_family_t,
        pub sa_data: [::c_char; 14],
    }

    pub struct sockaddr_in {
        pub sin_family: sa_family_t,
        pub sin_port: ::in_port_t,
        pub sin_addr: ::in_addr,
        pub sin_zero: [::c_char; 8]
    }

    pub struct sockaddr_in6 {
        pub sin6_family: sa_family_t,
        pub sin6_port: ::in_port_t,
        pub sin6_flowinfo: u32,
        pub sin6_addr: ::in6_addr,
        pub sin6_scope_id: u32,
        pub __sin6_src_id: u32
    }

    pub struct passwd {
        pub pw_name: *mut ::c_char,
        pub pw_passwd: *mut ::c_char,
        pub pw_uid: ::uid_t,
        pub pw_gid: ::gid_t,
        pub pw_age: *mut ::c_char,
        pub pw_comment: *mut ::c_char,
        pub pw_gecos: *mut ::c_char,
        pub pw_dir: *mut ::c_char,
        pub pw_shell: *mut ::c_char
    }

    pub struct ifaddrs {
        pub ifa_next: *mut ifaddrs,
        pub ifa_name: *mut ::c_char,
        pub ifa_flags: ::c_ulong,
        pub ifa_addr: *mut ::sockaddr,
        pub ifa_netmask: *mut ::sockaddr,
        pub ifa_dstaddr: *mut ::sockaddr,
        pub ifa_data: *mut ::c_void
    }

    pub struct itimerspec {
        pub it_interval: ::timespec,
        pub it_value: ::timespec,
    }

    pub struct tm {
        pub tm_sec: ::c_int,
        pub tm_min: ::c_int,
        pub tm_hour: ::c_int,
        pub tm_mday: ::c_int,
        pub tm_mon: ::c_int,
        pub tm_year: ::c_int,
        pub tm_wday: ::c_int,
        pub tm_yday: ::c_int,
        pub tm_isdst: ::c_int
    }

     pub struct msghdr {
        pub msg_name: *mut ::c_void,
        pub msg_namelen: ::socklen_t,
        pub msg_iov: *mut ::iovec,
        pub msg_iovlen: ::c_int,
        pub msg_control: *mut ::c_void,
        pub msg_controllen: ::socklen_t,
        pub msg_flags: ::c_int,
    }

    pub struct cmsghdr {
        pub cmsg_len: ::socklen_t,
        pub cmsg_level: ::c_int,
        pub cmsg_type: ::c_int,
    }

    pub struct pthread_attr_t {
        __pthread_attrp: *mut ::c_void
    }

    pub struct pthread_mutex_t {
        __pthread_mutex_flag1: u16,
        __pthread_mutex_flag2: u8,
        __pthread_mutex_ceiling: u8,
        __pthread_mutex_type: u16,
        __pthread_mutex_magic: u16,
        __pthread_mutex_lock: u64,
        __pthread_mutex_data: u64
    }

    pub struct pthread_mutexattr_t {
        __pthread_mutexattrp: *mut ::c_void
    }

    pub struct pthread_cond_t {
        __pthread_cond_flag: [u8; 4],
        __pthread_cond_type: u16,
        __pthread_cond_magic: u16,
        __pthread_cond_data: u64
    }

    pub struct pthread_condattr_t {
        __pthread_condattrp: *mut ::c_void,
    }

    pub struct pthread_rwlock_t {
        __pthread_rwlock_readers: i32,
        __pthread_rwlock_type: u16,
        __pthread_rwlock_magic: u16,
        __pthread_rwlock_mutex: ::pthread_mutex_t,
        __pthread_rwlock_readercv: ::pthread_cond_t,
        __pthread_rwlock_writercv: ::pthread_cond_t
    }

    pub struct pthread_rwlockattr_t {
        __pthread_rwlockattrp: *mut ::c_void,
    }

    pub struct dirent {
        pub d_ino: ::ino_t,
        pub d_off: ::off_t,
        pub d_reclen: u16,
        pub d_name: [::c_char; 3]
    }

    pub struct glob_t {
        pub gl_pathc: ::size_t,
        pub gl_pathv:  *mut *mut ::c_char,
        pub gl_offs: ::size_t,
        __unused1: *mut ::c_void,
        __unused2: ::c_int,
        __unused3: ::c_int,
        __unused4: ::c_int,
        __unused5: *mut ::c_void,
        __unused6: *mut ::c_void,
        __unused7: *mut ::c_void,
        __unused8: *mut ::c_void,
        __unused9: *mut ::c_void,
        __unused10: *mut ::c_void,
    }

    pub struct addrinfo {
        pub ai_flags: ::c_int,
        pub ai_family: ::c_int,
        pub ai_socktype: ::c_int,
        pub ai_protocol: ::c_int,
        #[cfg(target_arch = "sparc64")]
        __sparcv9_pad: ::c_int,
        pub ai_addrlen: ::socklen_t,
        pub ai_canonname: *mut ::c_char,
        pub ai_addr: *mut ::sockaddr,
        pub ai_next: *mut addrinfo,
    }

    pub struct sigset_t {
        bits: [u32; 4],
    }

    pub struct sigaction {
        pub sa_flags: ::c_int,
        pub sa_sigaction: ::sighandler_t,
        pub sa_mask: sigset_t,
    }

    pub struct stack_t {
        pub ss_sp: *mut ::c_void,
        pub ss_size: ::size_t,
        pub ss_flags: ::c_int,
    }

    pub struct statvfs {
        pub f_bsize: ::c_ulong,
        pub f_frsize: ::c_ulong,
        pub f_blocks: ::fsblkcnt_t,
        pub f_bfree: ::fsblkcnt_t,
        pub f_bavail: ::fsblkcnt_t,
        pub f_files: ::fsfilcnt_t,
        pub f_ffree: ::fsfilcnt_t,
        pub f_favail: ::fsfilcnt_t,
        pub f_fsid: ::c_ulong,
        pub f_basetype: [::c_char; 16],
        pub f_flag: ::c_ulong,
        pub f_namemax: ::c_ulong,
        pub f_fstr: [::c_char; 32]
    }

    pub struct sendfilevec_t {
        pub sfv_fd: ::c_int,
        pub sfv_flag: ::c_uint,
        pub sfv_off: ::off_t,
        pub sfv_len: ::size_t,
    }

    pub struct sched_param {
        pub sched_priority: ::c_int,
        sched_pad: [::c_int; 8]
    }

    pub struct Dl_info {
        pub dli_fname: *const ::c_char,
        pub dli_fbase: *mut ::c_void,
        pub dli_sname: *const ::c_char,
        pub dli_saddr: *mut ::c_void,
    }

    pub struct stat {
        pub st_dev: ::dev_t,
        pub st_ino: ::ino_t,
        pub st_mode: ::mode_t,
        pub st_nlink: ::nlink_t,
        pub st_uid: ::uid_t,
        pub st_gid: ::gid_t,
        pub st_rdev: ::dev_t,
        pub st_size: ::off_t,
        pub st_atime: ::time_t,
        pub st_atime_nsec: ::c_long,
        pub st_mtime: ::time_t,
        pub st_mtime_nsec: ::c_long,
        pub st_ctime: ::time_t,
        pub st_ctime_nsec: ::c_long,
        pub st_blksize: ::blksize_t,
        pub st_blocks: ::blkcnt_t,
        __unused: [::c_char; 16]
    }

    pub struct termios {
        pub c_iflag: ::tcflag_t,
        pub c_oflag: ::tcflag_t,
        pub c_cflag: ::tcflag_t,
        pub c_lflag: ::tcflag_t,
        pub c_cc: [::cc_t; ::NCCS]
    }

    pub struct lconv {
        pub decimal_point: *mut ::c_char,
        pub thousands_sep: *mut ::c_char,
        pub grouping: *mut ::c_char,
        pub int_curr_symbol: *mut ::c_char,
        pub currency_symbol: *mut ::c_char,
        pub mon_decimal_point: *mut ::c_char,
        pub mon_thousands_sep: *mut ::c_char,
        pub mon_grouping: *mut ::c_char,
        pub positive_sign: *mut ::c_char,
        pub negative_sign: *mut ::c_char,
        pub int_frac_digits: ::c_char,
        pub frac_digits: ::c_char,
        pub p_cs_precedes: ::c_char,
        pub p_sep_by_space: ::c_char,
        pub n_cs_precedes: ::c_char,
        pub n_sep_by_space: ::c_char,
        pub p_sign_posn: ::c_char,
        pub n_sign_posn: ::c_char,
        pub int_p_cs_precedes: ::c_char,
        pub int_p_sep_by_space: ::c_char,
        pub int_n_cs_precedes: ::c_char,
        pub int_n_sep_by_space: ::c_char,
        pub int_p_sign_posn: ::c_char,
        pub int_n_sign_posn: ::c_char,
    }

    pub struct sem_t {
        pub sem_count: u32,
        pub sem_type: u16,
        pub sem_magic: u16,
        pub sem_pad1: [u64; 3],
        pub sem_pad2: [u64; 2]
    }

    pub struct flock {
        pub l_type: ::c_short,
        pub l_whence: ::c_short,
        pub l_start: ::off_t,
        pub l_len: ::off_t,
        pub l_sysid: ::c_int,
        pub l_pid: ::pid_t,
        pub l_pad: [::c_long; 4]
    }

    pub struct if_nameindex {
        pub if_index: ::c_uint,
        pub if_name: *mut ::c_char,
    }

    pub struct mq_attr {
        pub mq_flags: ::c_long,
        pub mq_maxmsg: ::c_long,
        pub mq_msgsize: ::c_long,
        pub mq_curmsgs: ::c_long,
        _pad: [::c_int; 12]
    }

    pub struct port_event {
        pub portev_events: ::c_int,
        pub portev_source: ::c_ushort,
        pub portev_pad: ::c_ushort,
        pub portev_object: ::uintptr_t,
        pub portev_user: *mut ::c_void,
    }

    pub struct port_notify {
        pub portnfy_port: ::c_int,
        pub portnfy_user: *mut ::c_void,
    }

    pub struct exit_status {
        e_termination: ::c_short,
        e_exit: ::c_short,
    }

    pub struct utmp {
        pub ut_user: [::c_char; 8],
        pub ut_id: [::c_char; 4],
        pub ut_line: [::c_char; 12],
        pub ut_pid: ::c_short,
        pub ut_type: ::c_short,
        pub ut_exit: exit_status,
        pub ut_time: ::time_t,
    }

    pub struct timex {
        pub modes: u32,
        pub offset: i32,
        pub freq: i32,
        pub maxerror: i32,
        pub esterror: i32,
        pub status: i32,
        pub constant: i32,
        pub precision: i32,
        pub tolerance: i32,
        pub ppsfreq: i32,
        pub jitter: i32,
        pub shift: i32,
        pub stabil: i32,
        pub jitcnt: i32,
        pub calcnt: i32,
        pub errcnt: i32,
        pub stbcnt: i32,
    }

    pub struct ntptimeval {
        pub time: ::timeval,
        pub maxerror: i32,
        pub esterror: i32,
    }

    pub struct mmapobj_result_t {
        pub mr_addr: ::caddr_t,
        pub mr_msize: ::size_t,
        pub mr_fsize: ::size_t,
        pub mr_offset: ::size_t,
        pub mr_prot: ::c_uint,
        pub mr_flags: ::c_uint,
    }

    pub struct lgrp_affinity_args {
        pub idtype: ::idtype_t,
        pub id: ::id_t,
        pub lgrp: ::lgrp_id_t,
        pub aff: ::lgrp_affinity_t,
    }

    pub struct processor_info_t {
        pub pi_state: ::c_int,
        pub pi_processor_type: [::c_char; PI_TYPELEN as usize],
        pub pi_fputypes: [::c_char; PI_FPUTYPE as usize],
        pub pi_clock: ::c_int,
    }
}

s_no_extra_traits! {
    #[cfg_attr(all(
            any(target_arch = "x86", target_arch = "x86_64"),
            libc_packedN
        ), repr(packed(4)))]
    #[cfg_attr(all(
            any(target_arch = "x86", target_arch = "x86_64"),
            not(libc_packedN)
        ), repr(packed))]
    pub struct epoll_event {
        pub events: u32,
        pub u64: u64,
    }

    pub struct utmpx {
        pub ut_user: [::c_char; _UTX_USERSIZE],
        pub ut_id: [::c_char; _UTX_IDSIZE],
        pub ut_line: [::c_char; _UTX_LINESIZE],
        pub ut_pid: ::pid_t,
        pub ut_type: ::c_short,
        pub ut_exit: exit_status,
        pub ut_tv: ::timeval,
        pub ut_session: ::c_int,
        pub ut_pad: [::c_int; _UTX_PADSIZE],
        pub ut_syslen: ::c_short,
        pub ut_host: [::c_char; _UTX_HOSTSIZE],
    }

    pub struct sockaddr_un {
        pub sun_family: sa_family_t,
        pub sun_path: [c_char; 108]
    }

    pub struct utsname {
        pub sysname: [::c_char; 257],
        pub nodename: [::c_char; 257],
        pub release: [::c_char; 257],
        pub version: [::c_char; 257],
        pub machine: [::c_char; 257],
    }

    pub struct fd_set {
        #[cfg(target_pointer_width = "64")]
        fds_bits: [i64; FD_SETSIZE / 64],
        #[cfg(target_pointer_width = "32")]
        fds_bits: [i32; FD_SETSIZE / 32],
    }

    pub struct sockaddr_storage {
        pub ss_family: ::sa_family_t,
        __ss_pad1: [u8; 6],
        __ss_align: i64,
        __ss_pad2: [u8; 240],
    }

    pub struct siginfo_t {
        pub si_signo: ::c_int,
        pub si_code: ::c_int,
        pub si_errno: ::c_int,
        pub si_pad: ::c_int,
        pub si_addr: *mut ::c_void,
        __pad: [u8; 232],
    }

    pub struct sockaddr_dl {
        pub sdl_family: ::c_ushort,
        pub sdl_index: ::c_ushort,
        pub sdl_type: ::c_uchar,
        pub sdl_nlen: ::c_uchar,
        pub sdl_alen: ::c_uchar,
        pub sdl_slen: ::c_uchar,
        pub sdl_data: [::c_char; 244],
    }

    pub struct sigevent {
        pub sigev_notify: ::c_int,
        pub sigev_signo: ::c_int,
        pub sigev_value: ::sigval,
        pub ss_sp: *mut ::c_void,
        pub sigev_notify_attributes: *const ::pthread_attr_t,
        __sigev_pad2: ::c_int,
    }

    #[cfg(libc_union)]
    #[cfg_attr(libc_align, repr(align(16)))]
    pub union pad128_t {
        // pub _q in this structure would be a "long double", of 16 bytes
        pub _l: [i32; 4],
    }

    #[cfg(libc_union)]
    #[cfg_attr(libc_align, repr(align(16)))]
    pub union upad128_t {
        // pub _q in this structure would be a "long double", of 16 bytes
        pub _l: [u32; 4],
    }
}

cfg_if! {
    if #[cfg(feature = "extra_traits")] {
        impl PartialEq for utmpx {
            fn eq(&self, other: &utmpx) -> bool {
                self.ut_type == other.ut_type
                    && self.ut_pid == other.ut_pid
                    && self.ut_user == other.ut_user
                    && self.ut_line == other.ut_line
                    && self.ut_id == other.ut_id
                    && self.ut_exit == other.ut_exit
                    && self.ut_session == other.ut_session
                    && self.ut_tv == other.ut_tv
                    && self.ut_syslen == other.ut_syslen
                    && self.ut_pad == other.ut_pad
                    && self
                    .ut_host
                    .iter()
                    .zip(other.ut_host.iter())
                    .all(|(a,b)| a == b)
            }
        }

        impl Eq for utmpx {}

        impl ::fmt::Debug for utmpx {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("utmpx")
                    .field("ut_user", &self.ut_user)
                    .field("ut_id", &self.ut_id)
                    .field("ut_line", &self.ut_line)
                    .field("ut_pid", &self.ut_pid)
                    .field("ut_type", &self.ut_type)
                    .field("ut_exit", &self.ut_exit)
                    .field("ut_tv", &self.ut_tv)
                    .field("ut_session", &self.ut_session)
                    .field("ut_pad", &self.ut_pad)
                    .field("ut_syslen", &self.ut_syslen)
                    .field("ut_host", &&self.ut_host[..])
                    .finish()
            }
        }

        impl ::hash::Hash for utmpx {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ut_user.hash(state);
                self.ut_type.hash(state);
                self.ut_pid.hash(state);
                self.ut_line.hash(state);
                self.ut_id.hash(state);
                self.ut_host.hash(state);
                self.ut_exit.hash(state);
                self.ut_session.hash(state);
                self.ut_tv.hash(state);
                self.ut_syslen.hash(state);
                self.ut_pad.hash(state);
            }
        }

        impl PartialEq for epoll_event {
            fn eq(&self, other: &epoll_event) -> bool {
                self.events == other.events
                    && self.u64 == other.u64
            }
        }
        impl Eq for epoll_event {}
        impl ::fmt::Debug for epoll_event {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                let events = self.events;
                let u64 = self.u64;
                f.debug_struct("epoll_event")
                    .field("events", &events)
                    .field("u64", &u64)
                    .finish()
            }
        }
        impl ::hash::Hash for epoll_event {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                let events = self.events;
                let u64 = self.u64;
                events.hash(state);
                u64.hash(state);
            }
        }

        impl PartialEq for sockaddr_un {
            fn eq(&self, other: &sockaddr_un) -> bool {
                self.sun_family == other.sun_family
                    && self
                    .sun_path
                    .iter()
                    .zip(other.sun_path.iter())
                    .all(|(a, b)| a == b)
            }
        }
        impl Eq for sockaddr_un {}
        impl ::fmt::Debug for sockaddr_un {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sockaddr_un")
                    .field("sun_family", &self.sun_family)
                    // FIXME: .field("sun_path", &self.sun_path)
                    .finish()
            }
        }
        impl ::hash::Hash for sockaddr_un {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.sun_family.hash(state);
                self.sun_path.hash(state);
            }
        }

        impl PartialEq for utsname {
            fn eq(&self, other: &utsname) -> bool {
                self.sysname
                    .iter()
                    .zip(other.sysname.iter())
                    .all(|(a, b)| a == b)
                    && self
                    .nodename
                    .iter()
                    .zip(other.nodename.iter())
                    .all(|(a, b)| a == b)
                    && self
                    .release
                    .iter()
                    .zip(other.release.iter())
                    .all(|(a, b)| a == b)
                    && self
                    .version
                    .iter()
                    .zip(other.version.iter())
                    .all(|(a, b)| a == b)
                    && self
                    .machine
                    .iter()
                    .zip(other.machine.iter())
                    .all(|(a, b)| a == b)
            }
        }
        impl Eq for utsname {}
        impl ::fmt::Debug for utsname {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("utsname")
                    // FIXME: .field("sysname", &self.sysname)
                    // FIXME: .field("nodename", &self.nodename)
                    // FIXME: .field("release", &self.release)
                    // FIXME: .field("version", &self.version)
                    // FIXME: .field("machine", &self.machine)
                    .finish()
            }
        }
        impl ::hash::Hash for utsname {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.sysname.hash(state);
                self.nodename.hash(state);
                self.release.hash(state);
                self.version.hash(state);
                self.machine.hash(state);
            }
        }

        impl PartialEq for fd_set {
            fn eq(&self, other: &fd_set) -> bool {
                self.fds_bits
                    .iter()
                    .zip(other.fds_bits.iter())
                    .all(|(a, b)| a == b)
            }
        }
        impl Eq for fd_set {}
        impl ::fmt::Debug for fd_set {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("fd_set")
                    // FIXME: .field("fds_bits", &self.fds_bits)
                    .finish()
            }
        }
        impl ::hash::Hash for fd_set {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.fds_bits.hash(state);
            }
        }

        impl PartialEq for sockaddr_storage {
            fn eq(&self, other: &sockaddr_storage) -> bool {
                self.ss_family == other.ss_family
                    && self.__ss_pad1 == other.__ss_pad1
                    && self.__ss_align == other.__ss_align
                    && self
                    .__ss_pad2
                    .iter()
                    .zip(other.__ss_pad2.iter())
                    .all(|(a, b)| a == b)
            }
        }
        impl Eq for sockaddr_storage {}
        impl ::fmt::Debug for sockaddr_storage {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sockaddr_storage")
                    .field("ss_family", &self.ss_family)
                    .field("__ss_pad1", &self.__ss_pad1)
                    .field("__ss_align", &self.__ss_align)
                    // FIXME: .field("__ss_pad2", &self.__ss_pad2)
                    .finish()
            }
        }
        impl ::hash::Hash for sockaddr_storage {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ss_family.hash(state);
                self.__ss_pad1.hash(state);
                self.__ss_align.hash(state);
                self.__ss_pad2.hash(state);
            }
        }

        impl PartialEq for siginfo_t {
            fn eq(&self, other: &siginfo_t) -> bool {
                self.si_signo == other.si_signo
                    && self.si_code == other.si_code
                    && self.si_errno == other.si_errno
                    && self.si_addr == other.si_addr
                    && self
                    .__pad
                    .iter()
                    .zip(other.__pad.iter())
                    .all(|(a, b)| a == b)
            }
        }
        impl Eq for siginfo_t {}
        impl ::fmt::Debug for siginfo_t {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("siginfo_t")
                    .field("si_signo", &self.si_signo)
                    .field("si_code", &self.si_code)
                    .field("si_errno", &self.si_errno)
                    .field("si_addr", &self.si_addr)
                    // FIXME: .field("__pad", &self.__pad)
                    .finish()
            }
        }
        impl ::hash::Hash for siginfo_t {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.si_signo.hash(state);
                self.si_code.hash(state);
                self.si_errno.hash(state);
                self.si_addr.hash(state);
                self.__pad.hash(state);
            }
        }

        impl PartialEq for sockaddr_dl {
            fn eq(&self, other: &sockaddr_dl) -> bool {
                self.sdl_family == other.sdl_family
                    && self.sdl_index == other.sdl_index
                    && self.sdl_type == other.sdl_type
                    && self.sdl_nlen == other.sdl_nlen
                    && self.sdl_alen == other.sdl_alen
                    && self.sdl_slen == other.sdl_slen
                    && self
                    .sdl_data
                    .iter()
                    .zip(other.sdl_data.iter())
                    .all(|(a,b)| a == b)
            }
        }
        impl Eq for sockaddr_dl {}
        impl ::fmt::Debug for sockaddr_dl {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sockaddr_dl")
                    .field("sdl_family", &self.sdl_family)
                    .field("sdl_index", &self.sdl_index)
                    .field("sdl_type", &self.sdl_type)
                    .field("sdl_nlen", &self.sdl_nlen)
                    .field("sdl_alen", &self.sdl_alen)
                    .field("sdl_slen", &self.sdl_slen)
                    // FIXME: .field("sdl_data", &self.sdl_data)
                    .finish()
            }
        }
        impl ::hash::Hash for sockaddr_dl {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.sdl_family.hash(state);
                self.sdl_index.hash(state);
                self.sdl_type.hash(state);
                self.sdl_nlen.hash(state);
                self.sdl_alen.hash(state);
                self.sdl_slen.hash(state);
                self.sdl_data.hash(state);
            }
        }

        impl PartialEq for sigevent {
            fn eq(&self, other: &sigevent) -> bool {
                self.sigev_notify == other.sigev_notify
                    && self.sigev_signo == other.sigev_signo
                    && self.sigev_value == other.sigev_value
                    && self.ss_sp == other.ss_sp
                    && self.sigev_notify_attributes
                        == other.sigev_notify_attributes
            }
        }
        impl Eq for sigevent {}
        impl ::fmt::Debug for sigevent {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("sigevent")
                    .field("sigev_notify", &self.sigev_notify)
                    .field("sigev_signo", &self.sigev_signo)
                    .field("sigev_value", &self.sigev_value)
                    .field("ss_sp", &self.ss_sp)
                    .field("sigev_notify_attributes",
                           &self.sigev_notify_attributes)
                    .finish()
            }
        }
        impl ::hash::Hash for sigevent {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.sigev_notify.hash(state);
                self.sigev_signo.hash(state);
                self.sigev_value.hash(state);
                self.ss_sp.hash(state);
                self.sigev_notify_attributes.hash(state);
            }
        }

        #[cfg(libc_union)]
        impl PartialEq for pad128_t {
            fn eq(&self, other: &pad128_t) -> bool {
                unsafe {
                // FIXME: self._q == other._q ||
                    self._l == other._l
                }
            }
        }
        #[cfg(libc_union)]
        impl Eq for pad128_t {}
        #[cfg(libc_union)]
        impl ::fmt::Debug for pad128_t {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                unsafe {
                f.debug_struct("pad128_t")
                    // FIXME: .field("_q", &{self._q})
                    .field("_l", &{self._l})
                    .finish()
                }
            }
        }
        #[cfg(libc_union)]
        impl ::hash::Hash for pad128_t {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                unsafe {
                // FIXME: state.write_i64(self._q as i64);
                self._l.hash(state);
                }
            }
        }
        #[cfg(libc_union)]
        impl PartialEq for upad128_t {
            fn eq(&self, other: &upad128_t) -> bool {
                unsafe {
                // FIXME: self._q == other._q ||
                    self._l == other._l
                }
            }
        }
        #[cfg(libc_union)]
        impl Eq for upad128_t {}
        #[cfg(libc_union)]
        impl ::fmt::Debug for upad128_t {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                unsafe {
                f.debug_struct("upad128_t")
                    // FIXME: .field("_q", &{self._q})
                    .field("_l", &{self._l})
                    .finish()
                }
            }
        }
        #[cfg(libc_union)]
        impl ::hash::Hash for upad128_t {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                unsafe {
                // FIXME: state.write_i64(self._q as i64);
                self._l.hash(state);
                }
            }
        }
    }
}

pub const LC_CTYPE: ::c_int = 0;
pub const LC_NUMERIC: ::c_int = 1;
pub const LC_TIME: ::c_int = 2;
pub const LC_COLLATE: ::c_int = 3;
pub const LC_MONETARY: ::c_int = 4;
pub const LC_MESSAGES: ::c_int = 5;
pub const LC_ALL: ::c_int = 6;
pub const LC_CTYPE_MASK: ::c_int = 1 << LC_CTYPE;
pub const LC_NUMERIC_MASK: ::c_int = 1 << LC_NUMERIC;
pub const LC_TIME_MASK: ::c_int = 1 << LC_TIME;
pub const LC_COLLATE_MASK: ::c_int = 1 << LC_COLLATE;
pub const LC_MONETARY_MASK: ::c_int = 1 << LC_MONETARY;
pub const LC_MESSAGES_MASK: ::c_int = 1 << LC_MESSAGES;
pub const LC_ALL_MASK: ::c_int = LC_CTYPE_MASK
    | LC_NUMERIC_MASK
    | LC_TIME_MASK
    | LC_COLLATE_MASK
    | LC_MONETARY_MASK
    | LC_MESSAGES_MASK;

pub const DAY_1: ::nl_item = 1;
pub const DAY_2: ::nl_item = 2;
pub const DAY_3: ::nl_item = 3;
pub const DAY_4: ::nl_item = 4;
pub const DAY_5: ::nl_item = 5;
pub const DAY_6: ::nl_item = 6;
pub const DAY_7: ::nl_item = 7;

pub const ABDAY_1: ::nl_item = 8;
pub const ABDAY_2: ::nl_item = 9;
pub const ABDAY_3: ::nl_item = 10;
pub const ABDAY_4: ::nl_item = 11;
pub const ABDAY_5: ::nl_item = 12;
pub const ABDAY_6: ::nl_item = 13;
pub const ABDAY_7: ::nl_item = 14;

pub const MON_1: ::nl_item = 15;
pub const MON_2: ::nl_item = 16;
pub const MON_3: ::nl_item = 17;
pub const MON_4: ::nl_item = 18;
pub const MON_5: ::nl_item = 19;
pub const MON_6: ::nl_item = 20;
pub const MON_7: ::nl_item = 21;
pub const MON_8: ::nl_item = 22;
pub const MON_9: ::nl_item = 23;
pub const MON_10: ::nl_item = 24;
pub const MON_11: ::nl_item = 25;
pub const MON_12: ::nl_item = 26;

pub const ABMON_1: ::nl_item = 27;
pub const ABMON_2: ::nl_item = 28;
pub const ABMON_3: ::nl_item = 29;
pub const ABMON_4: ::nl_item = 30;
pub const ABMON_5: ::nl_item = 31;
pub const ABMON_6: ::nl_item = 32;
pub const ABMON_7: ::nl_item = 33;
pub const ABMON_8: ::nl_item = 34;
pub const ABMON_9: ::nl_item = 35;
pub const ABMON_10: ::nl_item = 36;
pub const ABMON_11: ::nl_item = 37;
pub const ABMON_12: ::nl_item = 38;

pub const RADIXCHAR: ::nl_item = 39;
pub const THOUSEP: ::nl_item = 40;
pub const YESSTR: ::nl_item = 41;
pub const NOSTR: ::nl_item = 42;
pub const CRNCYSTR: ::nl_item = 43;

pub const D_T_FMT: ::nl_item = 44;
pub const D_FMT: ::nl_item = 45;
pub const T_FMT: ::nl_item = 46;
pub const AM_STR: ::nl_item = 47;
pub const PM_STR: ::nl_item = 48;

pub const CODESET: ::nl_item = 49;
pub const T_FMT_AMPM: ::nl_item = 50;
pub const ERA: ::nl_item = 51;
pub const ERA_D_FMT: ::nl_item = 52;
pub const ERA_D_T_FMT: ::nl_item = 53;
pub const ERA_T_FMT: ::nl_item = 54;
pub const ALT_DIGITS: ::nl_item = 55;
pub const YESEXPR: ::nl_item = 56;
pub const NOEXPR: ::nl_item = 57;
pub const _DATE_FMT: ::nl_item = 58;
pub const MAXSTRMSG: ::nl_item = 58;

pub const PATH_MAX: ::c_int = 1024;

pub const SA_ONSTACK: ::c_int = 0x00000001;
pub const SA_RESETHAND: ::c_int = 0x00000002;
pub const SA_RESTART: ::c_int = 0x00000004;
pub const SA_SIGINFO: ::c_int = 0x00000008;
pub const SA_NODEFER: ::c_int = 0x00000010;
pub const SA_NOCLDWAIT: ::c_int = 0x00010000;
pub const SA_NOCLDSTOP: ::c_int = 0x00020000;

pub const SS_ONSTACK: ::c_int = 1;
pub const SS_DISABLE: ::c_int = 2;

pub const FIOCLEX: ::c_int = 0x20006601;
pub const FIONCLEX: ::c_int = 0x20006602;
pub const FIONREAD: ::c_int = 0x4004667f;
pub const FIONBIO: ::c_int = 0x8004667e;
pub const FIOASYNC: ::c_int = 0x8004667d;
pub const FIOSETOWN: ::c_int = 0x8004667c;
pub const FIOGETOWN: ::c_int = 0x4004667b;

pub const SIGCHLD: ::c_int = 18;
pub const SIGBUS: ::c_int = 10;
pub const SIGINFO: ::c_int = 41;
pub const SIG_BLOCK: ::c_int = 1;
pub const SIG_UNBLOCK: ::c_int = 2;
pub const SIG_SETMASK: ::c_int = 3;

pub const SIGEV_NONE: ::c_int = 1;
pub const SIGEV_SIGNAL: ::c_int = 2;
pub const SIGEV_THREAD: ::c_int = 3;

pub const IP_RECVDSTADDR: ::c_int = 0x7;
pub const IP_SEC_OPT: ::c_int = 0x22;

pub const IPV6_UNICAST_HOPS: ::c_int = 0x5;
pub const IPV6_MULTICAST_IF: ::c_int = 0x6;
pub const IPV6_MULTICAST_HOPS: ::c_int = 0x7;
pub const IPV6_MULTICAST_LOOP: ::c_int = 0x8;
pub const IPV6_RECVPKTINFO: ::c_int = 0x12;
pub const IPV6_SEC_OPT: ::c_int = 0x22;
pub const IPV6_V6ONLY: ::c_int = 0x27;

cfg_if! {
    if #[cfg(target_pointer_width = "64")] {
        pub const FD_SETSIZE: usize = 65536;
    } else {
        pub const FD_SETSIZE: usize = 1024;
    }
}

pub const ST_RDONLY: ::c_ulong = 1;
pub const ST_NOSUID: ::c_ulong = 2;

pub const NI_MAXHOST: ::socklen_t = 1025;

pub const EXIT_FAILURE: ::c_int = 1;
pub const EXIT_SUCCESS: ::c_int = 0;
pub const RAND_MAX: ::c_int = 32767;
pub const EOF: ::c_int = -1;
pub const SEEK_SET: ::c_int = 0;
pub const SEEK_CUR: ::c_int = 1;
pub const SEEK_END: ::c_int = 2;
pub const SEEK_DATA: ::c_int = 3;
pub const SEEK_HOLE: ::c_int = 4;
pub const _IOFBF: ::c_int = 0;
pub const _IONBF: ::c_int = 4;
pub const _IOLBF: ::c_int = 64;
pub const BUFSIZ: ::c_uint = 1024;
pub const FOPEN_MAX: ::c_uint = 20;
pub const FILENAME_MAX: ::c_uint = 1024;
pub const L_tmpnam: ::c_uint = 25;
pub const TMP_MAX: ::c_uint = 17576;

pub const GRND_NONBLOCK: ::c_int = 0x0001;
pub const GRND_RANDOM: ::c_int = 0x0002;

pub const O_RDONLY: ::c_int = 0;
pub const O_WRONLY: ::c_int = 1;
pub const O_RDWR: ::c_int = 2;
pub const O_NDELAY: ::c_int = 0x04;
pub const O_APPEND: ::c_int = 8;
pub const O_DSYNC: ::c_int = 0x40;
pub const O_CREAT: ::c_int = 256;
pub const O_EXCL: ::c_int = 1024;
pub const O_NOCTTY: ::c_int = 2048;
pub const O_TRUNC: ::c_int = 512;
pub const O_NOFOLLOW: ::c_int = 0x20000;
pub const O_DIRECTORY: ::c_int = 0x1000000;
pub const O_SEARCH: ::c_int = 0x200000;
pub const O_EXEC: ::c_int = 0x400000;
pub const O_CLOEXEC: ::c_int = 0x800000;
pub const O_ACCMODE: ::c_int = 0x600003;
pub const O_XATTR: ::c_int = 0x4000;
pub const S_IFIFO: mode_t = 4096;
pub const S_IFCHR: mode_t = 8192;
pub const S_IFBLK: mode_t = 24576;
pub const S_IFDIR: mode_t = 16384;
pub const S_IFREG: mode_t = 32768;
pub const S_IFLNK: mode_t = 40960;
pub const S_IFSOCK: mode_t = 49152;
pub const S_IFMT: mode_t = 61440;
pub const S_IEXEC: mode_t = 64;
pub const S_IWRITE: mode_t = 128;
pub const S_IREAD: mode_t = 256;
pub const S_IRWXU: mode_t = 448;
pub const S_IXUSR: mode_t = 64;
pub const S_IWUSR: mode_t = 128;
pub const S_IRUSR: mode_t = 256;
pub const S_IRWXG: mode_t = 56;
pub const S_IXGRP: mode_t = 8;
pub const S_IWGRP: mode_t = 16;
pub const S_IRGRP: mode_t = 32;
pub const S_IRWXO: mode_t = 7;
pub const S_IXOTH: mode_t = 1;
pub const S_IWOTH: mode_t = 2;
pub const S_IROTH: mode_t = 4;
pub const F_OK: ::c_int = 0;
pub const R_OK: ::c_int = 4;
pub const W_OK: ::c_int = 2;
pub const X_OK: ::c_int = 1;
pub const STDIN_FILENO: ::c_int = 0;
pub const STDOUT_FILENO: ::c_int = 1;
pub const STDERR_FILENO: ::c_int = 2;
pub const F_LOCK: ::c_int = 1;
pub const F_TEST: ::c_int = 3;
pub const F_TLOCK: ::c_int = 2;
pub const F_ULOCK: ::c_int = 0;
pub const F_DUPFD_CLOEXEC: ::c_int = 37;
pub const F_SETLK: ::c_int = 6;
pub const F_SETLKW: ::c_int = 7;
pub const F_GETLK: ::c_int = 14;
pub const F_ALLOCSP: ::c_int = 10;
pub const F_FREESP: ::c_int = 11;
pub const F_BLOCKS: ::c_int = 18;
pub const F_BLKSIZE: ::c_int = 19;
pub const F_SHARE: ::c_int = 40;
pub const F_UNSHARE: ::c_int = 41;
pub const SIGHUP: ::c_int = 1;
pub const SIGINT: ::c_int = 2;
pub const SIGQUIT: ::c_int = 3;
pub const SIGILL: ::c_int = 4;
pub const SIGABRT: ::c_int = 6;
pub const SIGEMT: ::c_int = 7;
pub const SIGFPE: ::c_int = 8;
pub const SIGKILL: ::c_int = 9;
pub const SIGSEGV: ::c_int = 11;
pub const SIGSYS: ::c_int = 12;
pub const SIGPIPE: ::c_int = 13;
pub const SIGALRM: ::c_int = 14;
pub const SIGTERM: ::c_int = 15;
pub const SIGUSR1: ::c_int = 16;
pub const SIGUSR2: ::c_int = 17;
pub const SIGPWR: ::c_int = 19;
pub const SIGWINCH: ::c_int = 20;
pub const SIGURG: ::c_int = 21;
pub const SIGPOLL: ::c_int = 22;
pub const SIGIO: ::c_int = SIGPOLL;
pub const SIGSTOP: ::c_int = 23;
pub const SIGTSTP: ::c_int = 24;
pub const SIGCONT: ::c_int = 25;
pub const SIGTTIN: ::c_int = 26;
pub const SIGTTOU: ::c_int = 27;
pub const SIGVTALRM: ::c_int = 28;
pub const SIGPROF: ::c_int = 29;
pub const SIGXCPU: ::c_int = 30;
pub const SIGXFSZ: ::c_int = 31;

pub const WNOHANG: ::c_int = 0x40;
pub const WUNTRACED: ::c_int = 0x04;

pub const WEXITED: ::c_int = 0x01;
pub const WTRAPPED: ::c_int = 0x02;
pub const WSTOPPED: ::c_int = WUNTRACED;
pub const WCONTINUED: ::c_int = 0x08;
pub const WNOWAIT: ::c_int = 0x80;

pub const AT_FDCWD: ::c_int = 0xffd19553;
pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x1000;
pub const AT_SYMLINK_FOLLOW: ::c_int = 0x2000;
pub const AT_REMOVEDIR: ::c_int = 0x1;
pub const _AT_TRIGGER: ::c_int = 0x2;
pub const AT_EACCESS: ::c_int = 0x4;

pub const P_PID: idtype_t = 0;
pub const P_PPID: idtype_t = 1;
pub const P_PGID: idtype_t = 2;
pub const P_SID: idtype_t = 3;
pub const P_CID: idtype_t = 4;
pub const P_UID: idtype_t = 5;
pub const P_GID: idtype_t = 6;
pub const P_ALL: idtype_t = 7;
pub const P_LWPID: idtype_t = 8;
pub const P_TASKID: idtype_t = 9;
pub const P_PROJID: idtype_t = 10;
pub const P_POOLID: idtype_t = 11;
pub const P_ZONEID: idtype_t = 12;
pub const P_CTID: idtype_t = 13;
pub const P_CPUID: idtype_t = 14;
pub const P_PSETID: idtype_t = 15;

pub const PBIND_NONE: ::processorid_t = -1;
pub const PBIND_QUERY: ::processorid_t = -2;
pub const PBIND_HARD: ::processorid_t = -3;
pub const PBIND_SOFT: ::processorid_t = -4;

pub const PS_NONE: ::c_int = -1;
pub const PS_QUERY: ::c_int = -2;
pub const PS_MYID: ::c_int = -3;
pub const PS_SOFT: ::c_int = -4;
pub const PS_HARD: ::c_int = -5;
pub const PS_QUERY_TYPE: ::c_int = -6;
pub const PS_SYSTEM: ::c_int = 1;
pub const PS_PRIVATE: ::c_int = 2;

pub const UTIME_OMIT: c_long = -2;
pub const UTIME_NOW: c_long = -1;

pub const PROT_NONE: ::c_int = 0;
pub const PROT_READ: ::c_int = 1;
pub const PROT_WRITE: ::c_int = 2;
pub const PROT_EXEC: ::c_int = 4;

pub const MAP_FILE: ::c_int = 0;
pub const MAP_SHARED: ::c_int = 0x0001;
pub const MAP_PRIVATE: ::c_int = 0x0002;
pub const MAP_FIXED: ::c_int = 0x0010;
pub const MAP_NORESERVE: ::c_int = 0x40;
pub const MAP_ANON: ::c_int = 0x0100;
pub const MAP_ANONYMOUS: ::c_int = 0x0100;
pub const MAP_RENAME: ::c_int = 0x20;
pub const MAP_ALIGN: ::c_int = 0x200;
pub const MAP_TEXT: ::c_int = 0x400;
pub const MAP_INITDATA: ::c_int = 0x800;
pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;

pub const MCL_CURRENT: ::c_int = 0x0001;
pub const MCL_FUTURE: ::c_int = 0x0002;

pub const MS_SYNC: ::c_int = 0x0004;
pub const MS_ASYNC: ::c_int = 0x0001;
pub const MS_INVALIDATE: ::c_int = 0x0002;

pub const MMOBJ_PADDING: ::c_uint = 0x10000;
pub const MMOBJ_INTERPRET: ::c_uint = 0x20000;
pub const MR_PADDING: ::c_uint = 0x1;
pub const MR_HDR_ELF: ::c_uint = 0x2;

pub const EPERM: ::c_int = 1;
pub const ENOENT: ::c_int = 2;
pub const ESRCH: ::c_int = 3;
pub const EINTR: ::c_int = 4;
pub const EIO: ::c_int = 5;
pub const ENXIO: ::c_int = 6;
pub const E2BIG: ::c_int = 7;
pub const ENOEXEC: ::c_int = 8;
pub const EBADF: ::c_int = 9;
pub const ECHILD: ::c_int = 10;
pub const EAGAIN: ::c_int = 11;
pub const ENOMEM: ::c_int = 12;
pub const EACCES: ::c_int = 13;
pub const EFAULT: ::c_int = 14;
pub const ENOTBLK: ::c_int = 15;
pub const EBUSY: ::c_int = 16;
pub const EEXIST: ::c_int = 17;
pub const EXDEV: ::c_int = 18;
pub const ENODEV: ::c_int = 19;
pub const ENOTDIR: ::c_int = 20;
pub const EISDIR: ::c_int = 21;
pub const EINVAL: ::c_int = 22;
pub const ENFILE: ::c_int = 23;
pub const EMFILE: ::c_int = 24;
pub const ENOTTY: ::c_int = 25;
pub const ETXTBSY: ::c_int = 26;
pub const EFBIG: ::c_int = 27;
pub const ENOSPC: ::c_int = 28;
pub const ESPIPE: ::c_int = 29;
pub const EROFS: ::c_int = 30;
pub const EMLINK: ::c_int = 31;
pub const EPIPE: ::c_int = 32;
pub const EDOM: ::c_int = 33;
pub const ERANGE: ::c_int = 34;
pub const ENOMSG: ::c_int = 35;
pub const EIDRM: ::c_int = 36;
pub const ECHRNG: ::c_int = 37;
pub const EL2NSYNC: ::c_int = 38;
pub const EL3HLT: ::c_int = 39;
pub const EL3RST: ::c_int = 40;
pub const ELNRNG: ::c_int = 41;
pub const EUNATCH: ::c_int = 42;
pub const ENOCSI: ::c_int = 43;
pub const EL2HLT: ::c_int = 44;
pub const EDEADLK: ::c_int = 45;
pub const ENOLCK: ::c_int = 46;
pub const ECANCELED: ::c_int = 47;
pub const ENOTSUP: ::c_int = 48;
pub const EDQUOT: ::c_int = 49;
pub const EBADE: ::c_int = 50;
pub const EBADR: ::c_int = 51;
pub const EXFULL: ::c_int = 52;
pub const ENOANO: ::c_int = 53;
pub const EBADRQC: ::c_int = 54;
pub const EBADSLT: ::c_int = 55;
pub const EDEADLOCK: ::c_int = 56;
pub const EBFONT: ::c_int = 57;
pub const EOWNERDEAD: ::c_int = 58;
pub const ENOTRECOVERABLE: ::c_int = 59;
pub const ENOSTR: ::c_int = 60;
pub const ENODATA: ::c_int = 61;
pub const ETIME: ::c_int = 62;
pub const ENOSR: ::c_int = 63;
pub const ENONET: ::c_int = 64;
pub const ENOPKG: ::c_int = 65;
pub const EREMOTE: ::c_int = 66;
pub const ENOLINK: ::c_int = 67;
pub const EADV: ::c_int = 68;
pub const ESRMNT: ::c_int = 69;
pub const ECOMM: ::c_int = 70;
pub const EPROTO: ::c_int = 71;
pub const ELOCKUNMAPPED: ::c_int = 72;
pub const ENOTACTIVE: ::c_int = 73;
pub const EMULTIHOP: ::c_int = 74;
pub const EADI: ::c_int = 75;
pub const EBADMSG: ::c_int = 77;
pub const ENAMETOOLONG: ::c_int = 78;
pub const EOVERFLOW: ::c_int = 79;
pub const ENOTUNIQ: ::c_int = 80;
pub const EBADFD: ::c_int = 81;
pub const EREMCHG: ::c_int = 82;
pub const ELIBACC: ::c_int = 83;
pub const ELIBBAD: ::c_int = 84;
pub const ELIBSCN: ::c_int = 85;
pub const ELIBMAX: ::c_int = 86;
pub const ELIBEXEC: ::c_int = 87;
pub const EILSEQ: ::c_int = 88;
pub const ENOSYS: ::c_int = 89;
pub const ELOOP: ::c_int = 90;
pub const ERESTART: ::c_int = 91;
pub const ESTRPIPE: ::c_int = 92;
pub const ENOTEMPTY: ::c_int = 93;
pub const EUSERS: ::c_int = 94;
pub const ENOTSOCK: ::c_int = 95;
pub const EDESTADDRREQ: ::c_int = 96;
pub const EMSGSIZE: ::c_int = 97;
pub const EPROTOTYPE: ::c_int = 98;
pub const ENOPROTOOPT: ::c_int = 99;
pub const EPROTONOSUPPORT: ::c_int = 120;
pub const ESOCKTNOSUPPORT: ::c_int = 121;
pub const EOPNOTSUPP: ::c_int = 122;
pub const EPFNOSUPPORT: ::c_int = 123;
pub const EAFNOSUPPORT: ::c_int = 124;
pub const EADDRINUSE: ::c_int = 125;
pub const EADDRNOTAVAIL: ::c_int = 126;
pub const ENETDOWN: ::c_int = 127;
pub const ENETUNREACH: ::c_int = 128;
pub const ENETRESET: ::c_int = 129;
pub const ECONNABORTED: ::c_int = 130;
pub const ECONNRESET: ::c_int = 131;
pub const ENOBUFS: ::c_int = 132;
pub const EISCONN: ::c_int = 133;
pub const ENOTCONN: ::c_int = 134;
pub const ESHUTDOWN: ::c_int = 143;
pub const ETOOMANYREFS: ::c_int = 144;
pub const ETIMEDOUT: ::c_int = 145;
pub const ECONNREFUSED: ::c_int = 146;
pub const EHOSTDOWN: ::c_int = 147;
pub const EHOSTUNREACH: ::c_int = 148;
pub const EWOULDBLOCK: ::c_int = EAGAIN;
pub const EALREADY: ::c_int = 149;
pub const EINPROGRESS: ::c_int = 150;
pub const ESTALE: ::c_int = 151;

pub const EAI_AGAIN: ::c_int = 2;
pub const EAI_BADFLAGS: ::c_int = 3;
pub const EAI_FAIL: ::c_int = 4;
pub const EAI_FAMILY: ::c_int = 5;
pub const EAI_MEMORY: ::c_int = 6;
pub const EAI_NODATA: ::c_int = 7;
pub const EAI_NONAME: ::c_int = 8;
pub const EAI_SERVICE: ::c_int = 9;
pub const EAI_SOCKTYPE: ::c_int = 10;
pub const EAI_SYSTEM: ::c_int = 11;
pub const EAI_OVERFLOW: ::c_int = 12;

pub const F_DUPFD: ::c_int = 0;
pub const F_DUP2FD: ::c_int = 9;
pub const F_DUP2FD_CLOEXEC: ::c_int = 36;
pub const F_GETFD: ::c_int = 1;
pub const F_SETFD: ::c_int = 2;
pub const F_GETFL: ::c_int = 3;
pub const F_SETFL: ::c_int = 4;
pub const F_GETXFL: ::c_int = 45;

pub const SIGTRAP: ::c_int = 5;

pub const GLOB_APPEND: ::c_int = 32;
pub const GLOB_DOOFFS: ::c_int = 16;
pub const GLOB_ERR: ::c_int = 1;
pub const GLOB_MARK: ::c_int = 2;
pub const GLOB_NOCHECK: ::c_int = 8;
pub const GLOB_NOSORT: ::c_int = 4;
pub const GLOB_NOESCAPE: ::c_int = 64;

pub const GLOB_NOSPACE: ::c_int = -2;
pub const GLOB_ABORTED: ::c_int = -1;
pub const GLOB_NOMATCH: ::c_int = -3;

pub const POLLIN: ::c_short = 0x1;
pub const POLLPRI: ::c_short = 0x2;
pub const POLLOUT: ::c_short = 0x4;
pub const POLLERR: ::c_short = 0x8;
pub const POLLHUP: ::c_short = 0x10;
pub const POLLNVAL: ::c_short = 0x20;
pub const POLLNORM: ::c_short = 0x0040;
pub const POLLRDNORM: ::c_short = 0x0040;
pub const POLLWRNORM: ::c_short = 0x4; /* POLLOUT */
pub const POLLRDBAND: ::c_short = 0x0080;
pub const POLLWRBAND: ::c_short = 0x0100;

pub const POSIX_MADV_NORMAL: ::c_int = 0;
pub const POSIX_MADV_RANDOM: ::c_int = 1;
pub const POSIX_MADV_SEQUENTIAL: ::c_int = 2;
pub const POSIX_MADV_WILLNEED: ::c_int = 3;
pub const POSIX_MADV_DONTNEED: ::c_int = 4;

pub const PTHREAD_CREATE_JOINABLE: ::c_int = 0;
pub const PTHREAD_CREATE_DETACHED: ::c_int = 0x40;
pub const PTHREAD_PROCESS_SHARED: ::c_int = 1;
pub const PTHREAD_PROCESS_PRIVATE: ::c_ushort = 0;
pub const PTHREAD_STACK_MIN: ::size_t = 4096;

pub const SIGSTKSZ: ::size_t = 8192;

// https://illumos.org/man/3c/clock_gettime
// https://github.com/illumos/illumos-gate/
//   blob/HEAD/usr/src/lib/libc/amd64/sys/__clock_gettime.s
// clock_gettime(3c) doesn't seem to accept anything other than CLOCK_REALTIME
// or __CLOCK_REALTIME0
//
// https://github.com/illumos/illumos-gate/
//   blob/HEAD/usr/src/uts/common/sys/time_impl.h
// Confusing! CLOCK_HIGHRES==CLOCK_MONOTONIC==4
// __CLOCK_REALTIME0==0 is an obsoleted version of CLOCK_REALTIME==3
pub const CLOCK_REALTIME: ::clockid_t = 3;
pub const CLOCK_MONOTONIC: ::clockid_t = 4;
pub const TIMER_RELTIME: ::c_int = 0;
pub const TIMER_ABSTIME: ::c_int = 1;

pub const RLIMIT_CPU: ::c_int = 0;
pub const RLIMIT_FSIZE: ::c_int = 1;
pub const RLIMIT_DATA: ::c_int = 2;
pub const RLIMIT_STACK: ::c_int = 3;
pub const RLIMIT_CORE: ::c_int = 4;
pub const RLIMIT_NOFILE: ::c_int = 5;
pub const RLIMIT_VMEM: ::c_int = 6;
pub const RLIMIT_AS: ::c_int = RLIMIT_VMEM;

#[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
pub const RLIM_NLIMITS: rlim_t = 7;
pub const RLIM_INFINITY: rlim_t = 0xfffffffffffffffd;

pub const RUSAGE_SELF: ::c_int = 0;
pub const RUSAGE_CHILDREN: ::c_int = -1;

pub const MADV_NORMAL: ::c_int = 0;
pub const MADV_RANDOM: ::c_int = 1;
pub const MADV_SEQUENTIAL: ::c_int = 2;
pub const MADV_WILLNEED: ::c_int = 3;
pub const MADV_DONTNEED: ::c_int = 4;
pub const MADV_FREE: ::c_int = 5;

pub const AF_UNSPEC: ::c_int = 0;
pub const AF_UNIX: ::c_int = 1;
pub const AF_INET: ::c_int = 2;
pub const AF_IMPLINK: ::c_int = 3;
pub const AF_PUP: ::c_int = 4;
pub const AF_CHAOS: ::c_int = 5;
pub const AF_NS: ::c_int = 6;
pub const AF_NBS: ::c_int = 7;
pub const AF_ECMA: ::c_int = 8;
pub const AF_DATAKIT: ::c_int = 9;
pub const AF_CCITT: ::c_int = 10;
pub const AF_SNA: ::c_int = 11;
pub const AF_DECnet: ::c_int = 12;
pub const AF_DLI: ::c_int = 13;
pub const AF_LAT: ::c_int = 14;
pub const AF_HYLINK: ::c_int = 15;
pub const AF_APPLETALK: ::c_int = 16;
pub const AF_NIT: ::c_int = 17;
pub const AF_802: ::c_int = 18;
pub const AF_OSI: ::c_int = 19;
pub const AF_X25: ::c_int = 20;
pub const AF_OSINET: ::c_int = 21;
pub const AF_GOSIP: ::c_int = 22;
pub const AF_IPX: ::c_int = 23;
pub const AF_ROUTE: ::c_int = 24;
pub const AF_LINK: ::c_int = 25;
pub const AF_INET6: ::c_int = 26;
pub const AF_KEY: ::c_int = 27;
pub const AF_NCA: ::c_int = 28;
pub const AF_POLICY: ::c_int = 29;
pub const AF_INET_OFFLOAD: ::c_int = 30;
pub const AF_TRILL: ::c_int = 31;
pub const AF_PACKET: ::c_int = 32;

pub const PF_UNSPEC: ::c_int = AF_UNSPEC;
pub const PF_UNIX: ::c_int = AF_UNIX;
pub const PF_LOCAL: ::c_int = PF_UNIX;
pub const PF_FILE: ::c_int = PF_UNIX;
pub const PF_INET: ::c_int = AF_INET;
pub const PF_IMPLINK: ::c_int = AF_IMPLINK;
pub const PF_PUP: ::c_int = AF_PUP;
pub const PF_CHAOS: ::c_int = AF_CHAOS;
pub const PF_NS: ::c_int = AF_NS;
pub const PF_NBS: ::c_int = AF_NBS;
pub const PF_ECMA: ::c_int = AF_ECMA;
pub const PF_DATAKIT: ::c_int = AF_DATAKIT;
pub const PF_CCITT: ::c_int = AF_CCITT;
pub const PF_SNA: ::c_int = AF_SNA;
pub const PF_DECnet: ::c_int = AF_DECnet;
pub const PF_DLI: ::c_int = AF_DLI;
pub const PF_LAT: ::c_int = AF_LAT;
pub const PF_HYLINK: ::c_int = AF_HYLINK;
pub const PF_APPLETALK: ::c_int = AF_APPLETALK;
pub const PF_NIT: ::c_int = AF_NIT;
pub const PF_802: ::c_int = AF_802;
pub const PF_OSI: ::c_int = AF_OSI;
pub const PF_X25: ::c_int = AF_X25;
pub const PF_OSINET: ::c_int = AF_OSINET;
pub const PF_GOSIP: ::c_int = AF_GOSIP;
pub const PF_IPX: ::c_int = AF_IPX;
pub const PF_ROUTE: ::c_int = AF_ROUTE;
pub const PF_LINK: ::c_int = AF_LINK;
pub const PF_INET6: ::c_int = AF_INET6;
pub const PF_KEY: ::c_int = AF_KEY;
pub const PF_NCA: ::c_int = AF_NCA;
pub const PF_POLICY: ::c_int = AF_POLICY;
pub const PF_INET_OFFLOAD: ::c_int = AF_INET_OFFLOAD;
pub const PF_TRILL: ::c_int = AF_TRILL;
pub const PF_PACKET: ::c_int = AF_PACKET;

pub const SOCK_DGRAM: ::c_int = 1;
pub const SOCK_STREAM: ::c_int = 2;
pub const SOCK_RAW: ::c_int = 4;
pub const SOCK_RDM: ::c_int = 5;
pub const SOCK_SEQPACKET: ::c_int = 6;
pub const IP_MULTICAST_IF: ::c_int = 16;
pub const IP_MULTICAST_TTL: ::c_int = 17;
pub const IP_MULTICAST_LOOP: ::c_int = 18;
pub const IP_TTL: ::c_int = 4;
pub const IP_HDRINCL: ::c_int = 2;
pub const IP_ADD_MEMBERSHIP: ::c_int = 19;
pub const IP_DROP_MEMBERSHIP: ::c_int = 20;
pub const IPV6_JOIN_GROUP: ::c_int = 9;
pub const IPV6_LEAVE_GROUP: ::c_int = 10;

// These TCP socket options are common between illumos and Solaris, while higher
// numbers have generally diverged:
pub const TCP_NODELAY: ::c_int = 0x1;
pub const TCP_MAXSEG: ::c_int = 0x2;
pub const TCP_KEEPALIVE: ::c_int = 0x8;
pub const TCP_NOTIFY_THRESHOLD: ::c_int = 0x10;
pub const TCP_ABORT_THRESHOLD: ::c_int = 0x11;
pub const TCP_CONN_NOTIFY_THRESHOLD: ::c_int = 0x12;
pub const TCP_CONN_ABORT_THRESHOLD: ::c_int = 0x13;
pub const TCP_RECVDSTADDR: ::c_int = 0x14;
pub const TCP_INIT_CWND: ::c_int = 0x15;
pub const TCP_KEEPALIVE_THRESHOLD: ::c_int = 0x16;
pub const TCP_KEEPALIVE_ABORT_THRESHOLD: ::c_int = 0x17;
pub const TCP_CORK: ::c_int = 0x18;
pub const TCP_RTO_INITIAL: ::c_int = 0x19;
pub const TCP_RTO_MIN: ::c_int = 0x1a;
pub const TCP_RTO_MAX: ::c_int = 0x1b;
pub const TCP_LINGER2: ::c_int = 0x1c;

pub const UDP_NAT_T_ENDPOINT: ::c_int = 0x0103;

pub const SOL_SOCKET: ::c_int = 0xffff;
pub const SO_DEBUG: ::c_int = 0x01;
pub const SO_ACCEPTCONN: ::c_int = 0x0002;
pub const SO_REUSEADDR: ::c_int = 0x0004;
pub const SO_KEEPALIVE: ::c_int = 0x0008;
pub const SO_DONTROUTE: ::c_int = 0x0010;
pub const SO_BROADCAST: ::c_int = 0x0020;
pub const SO_USELOOPBACK: ::c_int = 0x0040;
pub const SO_LINGER: ::c_int = 0x0080;
pub const SO_OOBINLINE: ::c_int = 0x0100;
pub const SO_SNDBUF: ::c_int = 0x1001;
pub const SO_RCVBUF: ::c_int = 0x1002;
pub const SO_SNDLOWAT: ::c_int = 0x1003;
pub const SO_RCVLOWAT: ::c_int = 0x1004;
pub const SO_SNDTIMEO: ::c_int = 0x1005;
pub const SO_RCVTIMEO: ::c_int = 0x1006;
pub const SO_ERROR: ::c_int = 0x1007;
pub const SO_TYPE: ::c_int = 0x1008;
pub const SO_TIMESTAMP: ::c_int = 0x1013;

pub const SCM_RIGHTS: ::c_int = 0x1010;
pub const SCM_UCRED: ::c_int = 0x1012;
pub const SCM_TIMESTAMP: ::c_int = SO_TIMESTAMP;

pub const MSG_OOB: ::c_int = 0x1;
pub const MSG_PEEK: ::c_int = 0x2;
pub const MSG_DONTROUTE: ::c_int = 0x4;
pub const MSG_EOR: ::c_int = 0x8;
pub const MSG_CTRUNC: ::c_int = 0x10;
pub const MSG_TRUNC: ::c_int = 0x20;
pub const MSG_WAITALL: ::c_int = 0x40;
pub const MSG_DONTWAIT: ::c_int = 0x80;
pub const MSG_NOTIFICATION: ::c_int = 0x100;
pub const MSG_NOSIGNAL: ::c_int = 0x200;
pub const MSG_DUPCTRL: ::c_int = 0x800;
pub const MSG_XPG4_2: ::c_int = 0x8000;
pub const MSG_MAXIOVLEN: ::c_int = 16;

pub const IF_NAMESIZE: ::size_t = 32;
pub const IFNAMSIZ: ::size_t = 16;

// https://docs.oracle.com/cd/E23824_01/html/821-1475/if-7p.html
pub const IFF_UP: ::c_int = 0x0000000001; // Address is up
pub const IFF_BROADCAST: ::c_int = 0x0000000002; // Broadcast address valid
pub const IFF_DEBUG: ::c_int = 0x0000000004; // Turn on debugging
pub const IFF_LOOPBACK: ::c_int = 0x0000000008; // Loopback net
pub const IFF_POINTOPOINT: ::c_int = 0x0000000010; // Interface is p-to-p
pub const IFF_NOTRAILERS: ::c_int = 0x0000000020; // Avoid use of trailers
pub const IFF_RUNNING: ::c_int = 0x0000000040; // Resources allocated
pub const IFF_NOARP: ::c_int = 0x0000000080; // No address res. protocol
pub const IFF_PROMISC: ::c_int = 0x0000000100; // Receive all packets
pub const IFF_ALLMULTI: ::c_int = 0x0000000200; // Receive all multicast pkts
pub const IFF_INTELLIGENT: ::c_int = 0x0000000400; // Protocol code on board
pub const IFF_MULTICAST: ::c_int = 0x0000000800; // Supports multicast

// Multicast using broadcst. add.
pub const IFF_MULTI_BCAST: ::c_int = 0x0000001000;
pub const IFF_UNNUMBERED: ::c_int = 0x0000002000; // Non-unique address
pub const IFF_DHCPRUNNING: ::c_int = 0x0000004000; // DHCP controls interface
pub const IFF_PRIVATE: ::c_int = 0x0000008000; // Do not advertise
pub const IFF_NOXMIT: ::c_int = 0x0000010000; // Do not transmit pkts

// No address - just on-link subnet
pub const IFF_NOLOCAL: ::c_int = 0x0000020000;
pub const IFF_DEPRECATED: ::c_int = 0x0000040000; // Address is deprecated
pub const IFF_ADDRCONF: ::c_int = 0x0000080000; // Addr. from stateless addrconf
pub const IFF_ROUTER: ::c_int = 0x0000100000; // Router on interface
pub const IFF_NONUD: ::c_int = 0x0000200000; // No NUD on interface
pub const IFF_ANYCAST: ::c_int = 0x0000400000; // Anycast address
pub const IFF_NORTEXCH: ::c_int = 0x0000800000; // Don't xchange rout. info
pub const IFF_IPV4: ::c_int = 0x0001000000; // IPv4 interface
pub const IFF_IPV6: ::c_int = 0x0002000000; // IPv6 interface
pub const IFF_NOFAILOVER: ::c_int = 0x0008000000; // in.mpathd test address
pub const IFF_FAILED: ::c_int = 0x0010000000; // Interface has failed
pub const IFF_STANDBY: ::c_int = 0x0020000000; // Interface is a hot-spare
pub const IFF_INACTIVE: ::c_int = 0x0040000000; // Functioning but not used
pub const IFF_OFFLINE: ::c_int = 0x0080000000; // Interface is offline
                                               // If CoS marking is supported
pub const IFF_COS_ENABLED: ::c_longlong = 0x0200000000;
pub const IFF_PREFERRED: ::c_longlong = 0x0400000000; // Prefer as source addr.
pub const IFF_TEMPORARY: ::c_longlong = 0x0800000000; // RFC3041
pub const IFF_FIXEDMTU: ::c_longlong = 0x1000000000; // MTU set with SIOCSLIFMTU
pub const IFF_VIRTUAL: ::c_longlong = 0x2000000000; // Cannot send/receive pkts
pub const IFF_DUPLICATE: ::c_longlong = 0x4000000000; // Local address in use
pub const IFF_IPMP: ::c_longlong = 0x8000000000; // IPMP IP interface

// sys/ipc.h:
pub const IPC_ALLOC: ::c_int = 0x8000;
pub const IPC_CREAT: ::c_int = 0x200;
pub const IPC_EXCL: ::c_int = 0x400;
pub const IPC_NOWAIT: ::c_int = 0x800;
pub const IPC_PRIVATE: key_t = 0;
pub const IPC_RMID: ::c_int = 10;
pub const IPC_SET: ::c_int = 11;
pub const IPC_SEAT: ::c_int = 12;

pub const SHUT_RD: ::c_int = 0;
pub const SHUT_WR: ::c_int = 1;
pub const SHUT_RDWR: ::c_int = 2;

pub const LOCK_SH: ::c_int = 1;
pub const LOCK_EX: ::c_int = 2;
pub const LOCK_NB: ::c_int = 4;
pub const LOCK_UN: ::c_int = 8;

pub const F_RDLCK: ::c_short = 1;
pub const F_WRLCK: ::c_short = 2;
pub const F_UNLCK: ::c_short = 3;

pub const O_SYNC: ::c_int = 16;
pub const O_NONBLOCK: ::c_int = 128;

pub const IPPROTO_RAW: ::c_int = 255;

pub const _PC_LINK_MAX: ::c_int = 1;
pub const _PC_MAX_CANON: ::c_int = 2;
pub const _PC_MAX_INPUT: ::c_int = 3;
pub const _PC_NAME_MAX: ::c_int = 4;
pub const _PC_PATH_MAX: ::c_int = 5;
pub const _PC_PIPE_BUF: ::c_int = 6;
pub const _PC_NO_TRUNC: ::c_int = 7;
pub const _PC_VDISABLE: ::c_int = 8;
pub const _PC_CHOWN_RESTRICTED: ::c_int = 9;
pub const _PC_ASYNC_IO: ::c_int = 10;
pub const _PC_PRIO_IO: ::c_int = 11;
pub const _PC_SYNC_IO: ::c_int = 12;
pub const _PC_ALLOC_SIZE_MIN: ::c_int = 13;
pub const _PC_REC_INCR_XFER_SIZE: ::c_int = 14;
pub const _PC_REC_MAX_XFER_SIZE: ::c_int = 15;
pub const _PC_REC_MIN_XFER_SIZE: ::c_int = 16;
pub const _PC_REC_XFER_ALIGN: ::c_int = 17;
pub const _PC_SYMLINK_MAX: ::c_int = 18;
pub const _PC_2_SYMLINKS: ::c_int = 19;
pub const _PC_ACL_ENABLED: ::c_int = 20;
pub const _PC_MIN_HOLE_SIZE: ::c_int = 21;
pub const _PC_CASE_BEHAVIOR: ::c_int = 22;
pub const _PC_SATTR_ENABLED: ::c_int = 23;
pub const _PC_SATTR_EXISTS: ::c_int = 24;
pub const _PC_ACCESS_FILTERING: ::c_int = 25;
pub const _PC_TIMESTAMP_RESOLUTION: ::c_int = 26;
pub const _PC_FILESIZEBITS: ::c_int = 67;
pub const _PC_XATTR_ENABLED: ::c_int = 100;
pub const _PC_LAST: ::c_int = 101;
pub const _PC_XATTR_EXISTS: ::c_int = 101;

pub const _SC_ARG_MAX: ::c_int = 1;
pub const _SC_CHILD_MAX: ::c_int = 2;
pub const _SC_CLK_TCK: ::c_int = 3;
pub const _SC_NGROUPS_MAX: ::c_int = 4;
pub const _SC_OPEN_MAX: ::c_int = 5;
pub const _SC_JOB_CONTROL: ::c_int = 6;
pub const _SC_SAVED_IDS: ::c_int = 7;
pub const _SC_VERSION: ::c_int = 8;
pub const _SC_PASS_MAX: ::c_int = 9;
pub const _SC_LOGNAME_MAX: ::c_int = 10;
pub const _SC_PAGESIZE: ::c_int = 11;
pub const _SC_PAGE_SIZE: ::c_int = _SC_PAGESIZE;
pub const _SC_XOPEN_VERSION: ::c_int = 12;
pub const _SC_NPROCESSORS_CONF: ::c_int = 14;
pub const _SC_NPROCESSORS_ONLN: ::c_int = 15;
pub const _SC_STREAM_MAX: ::c_int = 16;
pub const _SC_TZNAME_MAX: ::c_int = 17;
pub const _SC_AIO_LISTIO_MAX: ::c_int = 18;
pub const _SC_AIO_MAX: ::c_int = 19;
pub const _SC_AIO_PRIO_DELTA_MAX: ::c_int = 20;
pub const _SC_ASYNCHRONOUS_IO: ::c_int = 21;
pub const _SC_DELAYTIMER_MAX: ::c_int = 22;
pub const _SC_FSYNC: ::c_int = 23;
pub const _SC_MAPPED_FILES: ::c_int = 24;
pub const _SC_MEMLOCK: ::c_int = 25;
pub const _SC_MEMLOCK_RANGE: ::c_int = 26;
pub const _SC_MEMORY_PROTECTION: ::c_int = 27;
pub const _SC_MESSAGE_PASSING: ::c_int = 28;
pub const _SC_MQ_OPEN_MAX: ::c_int = 29;
pub const _SC_MQ_PRIO_MAX: ::c_int = 30;
pub const _SC_PRIORITIZED_IO: ::c_int = 31;
pub const _SC_PRIORITY_SCHEDULING: ::c_int = 32;
pub const _SC_REALTIME_SIGNALS: ::c_int = 33;
pub const _SC_RTSIG_MAX: ::c_int = 34;
pub const _SC_SEMAPHORES: ::c_int = 35;
pub const _SC_SEM_NSEMS_MAX: ::c_int = 36;
pub const _SC_SEM_VALUE_MAX: ::c_int = 37;
pub const _SC_SHARED_MEMORY_OBJECTS: ::c_int = 38;
pub const _SC_SIGQUEUE_MAX: ::c_int = 39;
pub const _SC_SIGRT_MIN: ::c_int = 40;
pub const _SC_SIGRT_MAX: ::c_int = 41;
pub const _SC_SYNCHRONIZED_IO: ::c_int = 42;
pub const _SC_TIMERS: ::c_int = 43;
pub const _SC_TIMER_MAX: ::c_int = 44;
pub const _SC_2_C_BIND: ::c_int = 45;
pub const _SC_2_C_DEV: ::c_int = 46;
pub const _SC_2_C_VERSION: ::c_int = 47;
pub const _SC_2_FORT_DEV: ::c_int = 48;
pub const _SC_2_FORT_RUN: ::c_int = 49;
pub const _SC_2_LOCALEDEF: ::c_int = 50;
pub const _SC_2_SW_DEV: ::c_int = 51;
pub const _SC_2_UPE: ::c_int = 52;
pub const _SC_2_VERSION: ::c_int = 53;
pub const _SC_BC_BASE_MAX: ::c_int = 54;
pub const _SC_BC_DIM_MAX: ::c_int = 55;
pub const _SC_BC_SCALE_MAX: ::c_int = 56;
pub const _SC_BC_STRING_MAX: ::c_int = 57;
pub const _SC_COLL_WEIGHTS_MAX: ::c_int = 58;
pub const _SC_EXPR_NEST_MAX: ::c_int = 59;
pub const _SC_LINE_MAX: ::c_int = 60;
pub const _SC_RE_DUP_MAX: ::c_int = 61;
pub const _SC_XOPEN_CRYPT: ::c_int = 62;
pub const _SC_XOPEN_ENH_I18N: ::c_int = 63;
pub const _SC_XOPEN_SHM: ::c_int = 64;
pub const _SC_2_CHAR_TERM: ::c_int = 66;
pub const _SC_XOPEN_XCU_VERSION: ::c_int = 67;
pub const _SC_ATEXIT_MAX: ::c_int = 76;
pub const _SC_IOV_MAX: ::c_int = 77;
pub const _SC_XOPEN_UNIX: ::c_int = 78;
pub const _SC_T_IOV_MAX: ::c_int = 79;
pub const _SC_PHYS_PAGES: ::c_int = 500;
pub const _SC_AVPHYS_PAGES: ::c_int = 501;
pub const _SC_COHER_BLKSZ: ::c_int = 503;
pub const _SC_SPLIT_CACHE: ::c_int = 504;
pub const _SC_ICACHE_SZ: ::c_int = 505;
pub const _SC_DCACHE_SZ: ::c_int = 506;
pub const _SC_ICACHE_LINESZ: ::c_int = 507;
pub const _SC_DCACHE_LINESZ: ::c_int = 508;
pub const _SC_ICACHE_BLKSZ: ::c_int = 509;
pub const _SC_DCACHE_BLKSZ: ::c_int = 510;
pub const _SC_DCACHE_TBLKSZ: ::c_int = 511;
pub const _SC_ICACHE_ASSOC: ::c_int = 512;
pub const _SC_DCACHE_ASSOC: ::c_int = 513;
pub const _SC_MAXPID: ::c_int = 514;
pub const _SC_STACK_PROT: ::c_int = 515;
pub const _SC_NPROCESSORS_MAX: ::c_int = 516;
pub const _SC_CPUID_MAX: ::c_int = 517;
pub const _SC_EPHID_MAX: ::c_int = 518;
pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: ::c_int = 568;
pub const _SC_GETGR_R_SIZE_MAX: ::c_int = 569;
pub const _SC_GETPW_R_SIZE_MAX: ::c_int = 570;
pub const _SC_LOGIN_NAME_MAX: ::c_int = 571;
pub const _SC_THREAD_KEYS_MAX: ::c_int = 572;
pub const _SC_THREAD_STACK_MIN: ::c_int = 573;
pub const _SC_THREAD_THREADS_MAX: ::c_int = 574;
pub const _SC_TTY_NAME_MAX: ::c_int = 575;
pub const _SC_THREADS: ::c_int = 576;
pub const _SC_THREAD_ATTR_STACKADDR: ::c_int = 577;
pub const _SC_THREAD_ATTR_STACKSIZE: ::c_int = 578;
pub const _SC_THREAD_PRIORITY_SCHEDULING: ::c_int = 579;
pub const _SC_THREAD_PRIO_INHERIT: ::c_int = 580;
pub const _SC_THREAD_PRIO_PROTECT: ::c_int = 581;
pub const _SC_THREAD_PROCESS_SHARED: ::c_int = 582;
pub const _SC_THREAD_SAFE_FUNCTIONS: ::c_int = 583;
pub const _SC_XOPEN_LEGACY: ::c_int = 717;
pub const _SC_XOPEN_REALTIME: ::c_int = 718;
pub const _SC_XOPEN_REALTIME_THREADS: ::c_int = 719;
pub const _SC_XBS5_ILP32_OFF32: ::c_int = 720;
pub const _SC_XBS5_ILP32_OFFBIG: ::c_int = 721;
pub const _SC_XBS5_LP64_OFF64: ::c_int = 722;
pub const _SC_XBS5_LPBIG_OFFBIG: ::c_int = 723;
pub const _SC_2_PBS: ::c_int = 724;
pub const _SC_2_PBS_ACCOUNTING: ::c_int = 725;
pub const _SC_2_PBS_CHECKPOINT: ::c_int = 726;
pub const _SC_2_PBS_LOCATE: ::c_int = 728;
pub const _SC_2_PBS_MESSAGE: ::c_int = 729;
pub const _SC_2_PBS_TRACK: ::c_int = 730;
pub const _SC_ADVISORY_INFO: ::c_int = 731;
pub const _SC_BARRIERS: ::c_int = 732;
pub const _SC_CLOCK_SELECTION: ::c_int = 733;
pub const _SC_CPUTIME: ::c_int = 734;
pub const _SC_HOST_NAME_MAX: ::c_int = 735;
pub const _SC_MONOTONIC_CLOCK: ::c_int = 736;
pub const _SC_READER_WRITER_LOCKS: ::c_int = 737;
pub const _SC_REGEXP: ::c_int = 738;
pub const _SC_SHELL: ::c_int = 739;
pub const _SC_SPAWN: ::c_int = 740;
pub const _SC_SPIN_LOCKS: ::c_int = 741;
pub const _SC_SPORADIC_SERVER: ::c_int = 742;
pub const _SC_SS_REPL_MAX: ::c_int = 743;
pub const _SC_SYMLOOP_MAX: ::c_int = 744;
pub const _SC_THREAD_CPUTIME: ::c_int = 745;
pub const _SC_THREAD_SPORADIC_SERVER: ::c_int = 746;
pub const _SC_TIMEOUTS: ::c_int = 747;
pub const _SC_TRACE: ::c_int = 748;
pub const _SC_TRACE_EVENT_FILTER: ::c_int = 749;
pub const _SC_TRACE_EVENT_NAME_MAX: ::c_int = 750;
pub const _SC_TRACE_INHERIT: ::c_int = 751;
pub const _SC_TRACE_LOG: ::c_int = 752;
pub const _SC_TRACE_NAME_MAX: ::c_int = 753;
pub const _SC_TRACE_SYS_MAX: ::c_int = 754;
pub const _SC_TRACE_USER_EVENT_MAX: ::c_int = 755;
pub const _SC_TYPED_MEMORY_OBJECTS: ::c_int = 756;
pub const _SC_V6_ILP32_OFF32: ::c_int = 757;
pub const _SC_V6_ILP32_OFFBIG: ::c_int = 758;
pub const _SC_V6_LP64_OFF64: ::c_int = 759;
pub const _SC_V6_LPBIG_OFFBIG: ::c_int = 760;
pub const _SC_XOPEN_STREAMS: ::c_int = 761;
pub const _SC_IPV6: ::c_int = 762;
pub const _SC_RAW_SOCKETS: ::c_int = 763;

pub const _MUTEX_MAGIC: u16 = 0x4d58; // MX
pub const _COND_MAGIC: u16 = 0x4356; // CV
pub const _RWL_MAGIC: u16 = 0x5257; // RW

pub const NCCS: usize = 19;

pub const LOG_CRON: ::c_int = 15 << 3;

pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t {
    __pthread_mutex_flag1: 0,
    __pthread_mutex_flag2: 0,
    __pthread_mutex_ceiling: 0,
    __pthread_mutex_type: PTHREAD_PROCESS_PRIVATE,
    __pthread_mutex_magic: _MUTEX_MAGIC,
    __pthread_mutex_lock: 0,
    __pthread_mutex_data: 0,
};
pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t {
    __pthread_cond_flag: [0; 4],
    __pthread_cond_type: PTHREAD_PROCESS_PRIVATE,
    __pthread_cond_magic: _COND_MAGIC,
    __pthread_cond_data: 0,
};
pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
    __pthread_rwlock_readers: 0,
    __pthread_rwlock_type: PTHREAD_PROCESS_PRIVATE,
    __pthread_rwlock_magic: _RWL_MAGIC,
    __pthread_rwlock_mutex: PTHREAD_MUTEX_INITIALIZER,
    __pthread_rwlock_readercv: PTHREAD_COND_INITIALIZER,
    __pthread_rwlock_writercv: PTHREAD_COND_INITIALIZER,
};
pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;
pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 4;
pub const PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL;

pub const RTLD_NEXT: *mut ::c_void = -1isize as *mut ::c_void;
pub const RTLD_DEFAULT: *mut ::c_void = -2isize as *mut ::c_void;
pub const RTLD_SELF: *mut ::c_void = -3isize as *mut ::c_void;
pub const RTLD_PROBE: *mut ::c_void = -4isize as *mut ::c_void;

pub const RTLD_LAZY: ::c_int = 0x1;
pub const RTLD_NOW: ::c_int = 0x2;
pub const RTLD_NOLOAD: ::c_int = 0x4;
pub const RTLD_GLOBAL: ::c_int = 0x100;
pub const RTLD_LOCAL: ::c_int = 0x0;
pub const RTLD_PARENT: ::c_int = 0x200;
pub const RTLD_GROUP: ::c_int = 0x400;
pub const RTLD_WORLD: ::c_int = 0x800;
pub const RTLD_NODELETE: ::c_int = 0x1000;
pub const RTLD_FIRST: ::c_int = 0x2000;
pub const RTLD_CONFGEN: ::c_int = 0x10000;

pub const PORT_SOURCE_AIO: ::c_int = 1;
pub const PORT_SOURCE_TIMER: ::c_int = 2;
pub const PORT_SOURCE_USER: ::c_int = 3;
pub const PORT_SOURCE_FD: ::c_int = 4;
pub const PORT_SOURCE_ALERT: ::c_int = 5;
pub const PORT_SOURCE_MQ: ::c_int = 6;
pub const PORT_SOURCE_FILE: ::c_int = 7;

pub const NONROOT_USR: ::c_short = 2;
pub const _UTX_USERSIZE: usize = 32;
pub const _UTX_LINESIZE: usize = 32;
pub const _UTX_PADSIZE: usize = 5;
pub const _UTX_IDSIZE: usize = 4;
pub const _UTX_HOSTSIZE: usize = 257;
pub const EMPTY: ::c_short = 0;
pub const RUN_LVL: ::c_short = 1;
pub const BOOT_TIME: ::c_short = 2;
pub const OLD_TIME: ::c_short = 3;
pub const NEW_TIME: ::c_short = 4;
pub const INIT_PROCESS: ::c_short = 5;
pub const LOGIN_PROCESS: ::c_short = 6;
pub const USER_PROCESS: ::c_short = 7;
pub const DEAD_PROCESS: ::c_short = 8;
pub const ACCOUNTING: ::c_short = 9;
pub const DOWN_TIME: ::c_short = 10;

const _TIOC: ::c_int = ('T' as i32) << 8;
const tIOC: ::c_int = ('t' as i32) << 8;
pub const TCGETA: ::c_int = _TIOC | 1;
pub const TCSETA: ::c_int = _TIOC | 2;
pub const TCSETAW: ::c_int = _TIOC | 3;
pub const TCSETAF: ::c_int = _TIOC | 4;
pub const TCSBRK: ::c_int = _TIOC | 5;
pub const TCXONC: ::c_int = _TIOC | 6;
pub const TCFLSH: ::c_int = _TIOC | 7;
pub const TCDSET: ::c_int = _TIOC | 32;
pub const TCGETS: ::c_int = _TIOC | 13;
pub const TCSETS: ::c_int = _TIOC | 14;
pub const TCSANOW: ::c_int = _TIOC | 14;
pub const TCSETSW: ::c_int = _TIOC | 15;
pub const TCSADRAIN: ::c_int = _TIOC | 15;
pub const TCSETSF: ::c_int = _TIOC | 16;
pub const TCSAFLUSH: ::c_int = _TIOC | 16;
pub const TCIFLUSH: ::c_int = 0;
pub const TCOFLUSH: ::c_int = 1;
pub const TCIOFLUSH: ::c_int = 2;
pub const TCOOFF: ::c_int = 0;
pub const TCOON: ::c_int = 1;
pub const TCIOFF: ::c_int = 2;
pub const TCION: ::c_int = 3;
pub const TIOC: ::c_int = _TIOC;
pub const TIOCKBON: ::c_int = _TIOC | 8;
pub const TIOCKBOF: ::c_int = _TIOC | 9;
pub const TIOCGWINSZ: ::c_int = _TIOC | 104;
pub const TIOCSWINSZ: ::c_int = _TIOC | 103;
pub const TIOCGSOFTCAR: ::c_int = _TIOC | 105;
pub const TIOCSSOFTCAR: ::c_int = _TIOC | 106;
pub const TIOCGPPS: ::c_int = _TIOC | 125;
pub const TIOCSPPS: ::c_int = _TIOC | 126;
pub const TIOCGPPSEV: ::c_int = _TIOC | 127;
pub const TIOCGETD: ::c_int = tIOC | 0;
pub const TIOCSETD: ::c_int = tIOC | 1;
pub const TIOCHPCL: ::c_int = tIOC | 2;
pub const TIOCGETP: ::c_int = tIOC | 8;
pub const TIOCSETP: ::c_int = tIOC | 9;
pub const TIOCSETN: ::c_int = tIOC | 10;
pub const TIOCEXCL: ::c_int = tIOC | 13;
pub const TIOCNXCL: ::c_int = tIOC | 14;
pub const TIOCFLUSH: ::c_int = tIOC | 16;
pub const TIOCSETC: ::c_int = tIOC | 17;
pub const TIOCGETC: ::c_int = tIOC | 18;
pub const TIOCLBIS: ::c_int = tIOC | 127;
pub const TIOCLBIC: ::c_int = tIOC | 126;
pub const TIOCLSET: ::c_int = tIOC | 125;
pub const TIOCLGET: ::c_int = tIOC | 124;
pub const TIOCSBRK: ::c_int = tIOC | 123;
pub const TIOCCBRK: ::c_int = tIOC | 122;
pub const TIOCSDTR: ::c_int = tIOC | 121;
pub const TIOCCDTR: ::c_int = tIOC | 120;
pub const TIOCSLTC: ::c_int = tIOC | 117;
pub const TIOCGLTC: ::c_int = tIOC | 116;
pub const TIOCOUTQ: ::c_int = tIOC | 115;
pub const TIOCNOTTY: ::c_int = tIOC | 113;
pub const TIOCSCTTY: ::c_int = tIOC | 132;
pub const TIOCSTOP: ::c_int = tIOC | 111;
pub const TIOCSTART: ::c_int = tIOC | 110;
pub const TIOCSILOOP: ::c_int = tIOC | 109;
pub const TIOCCILOOP: ::c_int = tIOC | 108;
pub const TIOCGPGRP: ::c_int = tIOC | 20;
pub const TIOCSPGRP: ::c_int = tIOC | 21;
pub const TIOCGSID: ::c_int = tIOC | 22;
pub const TIOCSTI: ::c_int = tIOC | 23;
pub const TIOCMSET: ::c_int = tIOC | 26;
pub const TIOCMBIS: ::c_int = tIOC | 27;
pub const TIOCMBIC: ::c_int = tIOC | 28;
pub const TIOCMGET: ::c_int = tIOC | 29;
pub const TIOCREMOTE: ::c_int = tIOC | 30;
pub const TIOCSIGNAL: ::c_int = tIOC | 31;

pub const TIOCM_LE: ::c_int = 0o0001;
pub const TIOCM_DTR: ::c_int = 0o0002;
pub const TIOCM_RTS: ::c_int = 0o0004;
pub const TIOCM_ST: ::c_int = 0o0010;
pub const TIOCM_SR: ::c_int = 0o0020;
pub const TIOCM_CTS: ::c_int = 0o0040;
pub const TIOCM_CAR: ::c_int = 0o0100;
pub const TIOCM_CD: ::c_int = TIOCM_CAR;
pub const TIOCM_RNG: ::c_int = 0o0200;
pub const TIOCM_RI: ::c_int = TIOCM_RNG;
pub const TIOCM_DSR: ::c_int = 0o0400;

pub const EPOLLIN: ::c_int = 0x1;
pub const EPOLLPRI: ::c_int = 0x2;
pub const EPOLLOUT: ::c_int = 0x4;
pub const EPOLLRDNORM: ::c_int = 0x40;
pub const EPOLLRDBAND: ::c_int = 0x80;
pub const EPOLLWRNORM: ::c_int = 0x100;
pub const EPOLLWRBAND: ::c_int = 0x200;
pub const EPOLLMSG: ::c_int = 0x400;
pub const EPOLLERR: ::c_int = 0x8;
pub const EPOLLHUP: ::c_int = 0x10;
pub const EPOLLET: ::c_int = 0x80000000;
pub const EPOLLRDHUP: ::c_int = 0x2000;
pub const EPOLLONESHOT: ::c_int = 0x40000000;
pub const EPOLLWAKEUP: ::c_int = 0x20000000;
pub const EPOLLEXCLUSIVE: ::c_int = 0x10000000;
pub const EPOLL_CLOEXEC: ::c_int = 0x80000;
pub const EPOLL_CTL_ADD: ::c_int = 1;
pub const EPOLL_CTL_MOD: ::c_int = 3;
pub const EPOLL_CTL_DEL: ::c_int = 2;

/* termios */
pub const B0: speed_t = 0;
pub const B50: speed_t = 1;
pub const B75: speed_t = 2;
pub const B110: speed_t = 3;
pub const B134: speed_t = 4;
pub const B150: speed_t = 5;
pub const B200: speed_t = 6;
pub const B300: speed_t = 7;
pub const B600: speed_t = 8;
pub const B1200: speed_t = 9;
pub const B1800: speed_t = 10;
pub const B2400: speed_t = 11;
pub const B4800: speed_t = 12;
pub const B9600: speed_t = 13;
pub const B19200: speed_t = 14;
pub const B38400: speed_t = 15;
pub const B57600: speed_t = 16;
pub const B76800: speed_t = 17;
pub const B115200: speed_t = 18;
pub const B153600: speed_t = 19;
pub const B230400: speed_t = 20;
pub const B307200: speed_t = 21;
pub const B460800: speed_t = 22;
pub const B921600: speed_t = 23;
pub const CSTART: ::tcflag_t = 0o21;
pub const CSTOP: ::tcflag_t = 0o23;
pub const CSWTCH: ::tcflag_t = 0o32;
pub const CBAUD: ::tcflag_t = 0o17;
pub const CIBAUD: ::tcflag_t = 0o3600000;
pub const CBAUDEXT: ::tcflag_t = 0o10000000;
pub const CIBAUDEXT: ::tcflag_t = 0o20000000;
pub const CSIZE: ::tcflag_t = 0o000060;
pub const CS5: ::tcflag_t = 0;
pub const CS6: ::tcflag_t = 0o000020;
pub const CS7: ::tcflag_t = 0o000040;
pub const CS8: ::tcflag_t = 0o000060;
pub const CSTOPB: ::tcflag_t = 0o000100;
pub const ECHO: ::tcflag_t = 0o000010;
pub const ECHOE: ::tcflag_t = 0o000020;
pub const ECHOK: ::tcflag_t = 0o000040;
pub const ECHONL: ::tcflag_t = 0o000100;
pub const ECHOCTL: ::tcflag_t = 0o001000;
pub const ECHOPRT: ::tcflag_t = 0o002000;
pub const ECHOKE: ::tcflag_t = 0o004000;
pub const EXTPROC: ::tcflag_t = 0o200000;
pub const IGNBRK: ::tcflag_t = 0o000001;
pub const BRKINT: ::tcflag_t = 0o000002;
pub const IGNPAR: ::tcflag_t = 0o000004;
pub const PARMRK: ::tcflag_t = 0o000010;
pub const INPCK: ::tcflag_t = 0o000020;
pub const ISTRIP: ::tcflag_t = 0o000040;
pub const INLCR: ::tcflag_t = 0o000100;
pub const IGNCR: ::tcflag_t = 0o000200;
pub const ICRNL: ::tcflag_t = 0o000400;
pub const IUCLC: ::tcflag_t = 0o001000;
pub const IXON: ::tcflag_t = 0o002000;
pub const IXOFF: ::tcflag_t = 0o010000;
pub const IXANY: ::tcflag_t = 0o004000;
pub const IMAXBEL: ::tcflag_t = 0o020000;
pub const DOSMODE: ::tcflag_t = 0o100000;
pub const OPOST: ::tcflag_t = 0o000001;
pub const OLCUC: ::tcflag_t = 0o000002;
pub const ONLCR: ::tcflag_t = 0o000004;
pub const OCRNL: ::tcflag_t = 0o000010;
pub const ONOCR: ::tcflag_t = 0o000020;
pub const ONLRET: ::tcflag_t = 0o000040;
pub const OFILL: ::tcflag_t = 0o0000100;
pub const OFDEL: ::tcflag_t = 0o0000200;
pub const CREAD: ::tcflag_t = 0o000200;
pub const PARENB: ::tcflag_t = 0o000400;
pub const PARODD: ::tcflag_t = 0o001000;
pub const HUPCL: ::tcflag_t = 0o002000;
pub const CLOCAL: ::tcflag_t = 0o004000;
pub const CRTSXOFF: ::tcflag_t = 0o10000000000;
pub const CRTSCTS: ::tcflag_t = 0o20000000000;
pub const ISIG: ::tcflag_t = 0o000001;
pub const ICANON: ::tcflag_t = 0o000002;
pub const IEXTEN: ::tcflag_t = 0o100000;
pub const TOSTOP: ::tcflag_t = 0o000400;
pub const FLUSHO: ::tcflag_t = 0o020000;
pub const PENDIN: ::tcflag_t = 0o040000;
pub const NOFLSH: ::tcflag_t = 0o000200;
pub const VINTR: usize = 0;
pub const VQUIT: usize = 1;
pub const VERASE: usize = 2;
pub const VKILL: usize = 3;
pub const VEOF: usize = 4;
pub const VEOL: usize = 5;
pub const VEOL2: usize = 6;
pub const VMIN: usize = 4;
pub const VTIME: usize = 5;
pub const VSWTCH: usize = 7;
pub const VSTART: usize = 8;
pub const VSTOP: usize = 9;
pub const VSUSP: usize = 10;
pub const VDSUSP: usize = 11;
pub const VREPRINT: usize = 12;
pub const VDISCARD: usize = 13;
pub const VWERASE: usize = 14;
pub const VLNEXT: usize = 15;
pub const VSTATUS: usize = 16;
pub const VERASE2: usize = 17;

// <sys/stropts.h>
const STR: ::c_int = (b'S' as ::c_int) << 8;
pub const I_NREAD: ::c_int = STR | 0o1;
pub const I_PUSH: ::c_int = STR | 0o2;
pub const I_POP: ::c_int = STR | 0o3;
pub const I_LOOK: ::c_int = STR | 0o4;
pub const I_FLUSH: ::c_int = STR | 0o5;
pub const I_SRDOPT: ::c_int = STR | 0o6;
pub const I_GRDOPT: ::c_int = STR | 0o7;
pub const I_STR: ::c_int = STR | 0o10;
pub const I_SETSIG: ::c_int = STR | 0o11;
pub const I_GETSIG: ::c_int = STR | 0o12;
pub const I_FIND: ::c_int = STR | 0o13;
pub const I_LINK: ::c_int = STR | 0o14;
pub const I_UNLINK: ::c_int = STR | 0o15;
pub const I_PEEK: ::c_int = STR | 0o17;
pub const I_FDINSERT: ::c_int = STR | 0o20;
pub const I_SENDFD: ::c_int = STR | 0o21;
pub const I_RECVFD: ::c_int = STR | 0o16;
pub const I_SWROPT: ::c_int = STR | 0o23;
pub const I_GWROPT: ::c_int = STR | 0o24;
pub const I_LIST: ::c_int = STR | 0o25;
pub const I_PLINK: ::c_int = STR | 0o26;
pub const I_PUNLINK: ::c_int = STR | 0o27;
pub const I_ANCHOR: ::c_int = STR | 0o30;
pub const I_FLUSHBAND: ::c_int = STR | 0o34;
pub const I_CKBAND: ::c_int = STR | 0o35;
pub const I_GETBAND: ::c_int = STR | 0o36;
pub const I_ATMARK: ::c_int = STR | 0o37;
pub const I_SETCLTIME: ::c_int = STR | 0o40;
pub const I_GETCLTIME: ::c_int = STR | 0o41;
pub const I_CANPUT: ::c_int = STR | 0o42;
pub const I_SERROPT: ::c_int = STR | 0o43;
pub const I_GERROPT: ::c_int = STR | 0o44;
pub const I_ESETSIG: ::c_int = STR | 0o45;
pub const I_EGETSIG: ::c_int = STR | 0o46;
pub const __I_PUSH_NOCTTY: ::c_int = STR | 0o47;

// 3SOCKET flags
pub const SOCK_CLOEXEC: ::c_int = 0x080000;
pub const SOCK_NONBLOCK: ::c_int = 0x100000;
pub const SOCK_NDELAY: ::c_int = 0x200000;

//<sys/timex.h>
pub const SCALE_KG: ::c_int = 1 << 6;
pub const SCALE_KF: ::c_int = 1 << 16;
pub const SCALE_KH: ::c_int = 1 << 2;
pub const MAXTC: ::c_int = 1 << 6;
pub const SCALE_PHASE: ::c_int = 1 << 22;
pub const SCALE_USEC: ::c_int = 1 << 16;
pub const SCALE_UPDATE: ::c_int = SCALE_KG * MAXTC;
pub const FINEUSEC: ::c_int = 1 << 22;
pub const MAXPHASE: ::c_int = 512000;
pub const MAXFREQ: ::c_int = 512 * SCALE_USEC;
pub const MAXTIME: ::c_int = 200 << PPS_AVG;
pub const MINSEC: ::c_int = 16;
pub const MAXSEC: ::c_int = 1200;
pub const PPS_AVG: ::c_int = 2;
pub const PPS_SHIFT: ::c_int = 2;
pub const PPS_SHIFTMAX: ::c_int = 8;
pub const PPS_VALID: ::c_int = 120;
pub const MAXGLITCH: ::c_int = 30;
pub const MOD_OFFSET: u32 = 0x0001;
pub const MOD_FREQUENCY: u32 = 0x0002;
pub const MOD_MAXERROR: u32 = 0x0004;
pub const MOD_ESTERROR: u32 = 0x0008;
pub const MOD_STATUS: u32 = 0x0010;
pub const MOD_TIMECONST: u32 = 0x0020;
pub const MOD_CLKB: u32 = 0x4000;
pub const MOD_CLKA: u32 = 0x8000;
pub const STA_PLL: u32 = 0x0001;
pub const STA_PPSFREQ: i32 = 0x0002;
pub const STA_PPSTIME: i32 = 0x0004;
pub const STA_FLL: i32 = 0x0008;
pub const STA_INS: i32 = 0x0010;
pub const STA_DEL: i32 = 0x0020;
pub const STA_UNSYNC: i32 = 0x0040;
pub const STA_FREQHOLD: i32 = 0x0080;
pub const STA_PPSSIGNAL: i32 = 0x0100;
pub const STA_PPSJITTER: i32 = 0x0200;
pub const STA_PPSWANDER: i32 = 0x0400;
pub const STA_PPSERROR: i32 = 0x0800;
pub const STA_CLOCKERR: i32 = 0x1000;
pub const STA_RONLY: i32 =
    STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | STA_PPSERROR | STA_CLOCKERR;
pub const TIME_OK: i32 = 0;
pub const TIME_INS: i32 = 1;
pub const TIME_DEL: i32 = 2;
pub const TIME_OOP: i32 = 3;
pub const TIME_WAIT: i32 = 4;
pub const TIME_ERROR: i32 = 5;

pub const PRIO_PROCESS: ::c_int = 0;
pub const PRIO_PGRP: ::c_int = 1;
pub const PRIO_USER: ::c_int = 2;

pub const SCHED_OTHER: ::c_int = 0;
pub const SCHED_FIFO: ::c_int = 1;
pub const SCHED_RR: ::c_int = 2;
pub const SCHED_SYS: ::c_int = 3;
pub const SCHED_IA: ::c_int = 4;
pub const SCHED_FSS: ::c_int = 5;
pub const SCHED_FX: ::c_int = 6;

// sys/priv.h
pub const PRIV_DEBUG: ::c_uint = 0x0001;
pub const PRIV_AWARE: ::c_uint = 0x0002;
pub const PRIV_AWARE_INHERIT: ::c_uint = 0x0004;
pub const __PROC_PROTECT: ::c_uint = 0x0008;
pub const NET_MAC_AWARE: ::c_uint = 0x0010;
pub const NET_MAC_AWARE_INHERIT: ::c_uint = 0x0020;
pub const PRIV_AWARE_RESET: ::c_uint = 0x0040;
pub const PRIV_XPOLICY: ::c_uint = 0x0080;
pub const PRIV_PFEXEC: ::c_uint = 0x0100;
pub const PRIV_USER: ::c_uint = PRIV_DEBUG
    | NET_MAC_AWARE
    | NET_MAC_AWARE_INHERIT
    | PRIV_XPOLICY
    | PRIV_AWARE_RESET
    | PRIV_PFEXEC;

// sys/systeminfo.h
pub const SI_SYSNAME: ::c_int = 1;
pub const SI_HOSTNAME: ::c_int = 2;
pub const SI_RELEASE: ::c_int = 3;
pub const SI_VERSION: ::c_int = 4;
pub const SI_MACHINE: ::c_int = 5;
pub const SI_ARCHITECTURE: ::c_int = 6;
pub const SI_HW_SERIAL: ::c_int = 7;
pub const SI_HW_PROVIDER: ::c_int = 8;
pub const SI_SET_HOSTNAME: ::c_int = 258;
pub const SI_SET_SRPC_DOMAIN: ::c_int = 265;
pub const SI_PLATFORM: ::c_int = 513;
pub const SI_ISALIST: ::c_int = 514;
pub const SI_DHCP_CACHE: ::c_int = 515;
pub const SI_ARCHITECTURE_32: ::c_int = 516;
pub const SI_ARCHITECTURE_64: ::c_int = 517;
pub const SI_ARCHITECTURE_K: ::c_int = 518;
pub const SI_ARCHITECTURE_NATIVE: ::c_int = 519;

// sys/lgrp_user.h
pub const LGRP_COOKIE_NONE: ::lgrp_cookie_t = 0;
pub const LGRP_AFF_NONE: ::lgrp_affinity_t = 0x0;
pub const LGRP_AFF_WEAK: ::lgrp_affinity_t = 0x10;
pub const LGRP_AFF_STRONG: ::lgrp_affinity_t = 0x100;
pub const LGRP_RSRC_COUNT: ::lgrp_rsrc_t = 2;
pub const LGRP_RSRC_CPU: ::lgrp_rsrc_t = 0;
pub const LGRP_RSRC_MEM: ::lgrp_rsrc_t = 1;
pub const LGRP_CONTENT_ALL: ::lgrp_content_t = 0;
pub const LGRP_CONTENT_HIERARCHY: ::lgrp_content_t = LGRP_CONTENT_ALL;
pub const LGRP_CONTENT_DIRECT: ::lgrp_content_t = 1;
pub const LGRP_LAT_CPU_TO_MEM: ::lgrp_lat_between_t = 0;
pub const LGRP_MEM_SZ_FREE: ::lgrp_mem_size_flag_t = 0;
pub const LGRP_MEM_SZ_INSTALLED: ::lgrp_mem_size_flag_t = 1;
pub const LGRP_VIEW_CALLER: ::lgrp_view_t = 0;
pub const LGRP_VIEW_OS: ::lgrp_view_t = 1;

// sys/processor.h

pub const P_OFFLINE: ::c_int = 0x001;
pub const P_ONLINE: ::c_int = 0x002;
pub const P_STATUS: ::c_int = 0x003;
pub const P_FAULTED: ::c_int = 0x004;
pub const P_POWEROFF: ::c_int = 0x005;
pub const P_NOINTR: ::c_int = 0x006;
pub const P_SPARE: ::c_int = 0x007;
pub const P_DISABLED: ::c_int = 0x008;
pub const P_FORCED: ::c_int = 0x10000000;
pub const PI_TYPELEN: ::c_int = 16;
pub const PI_FPUTYPE: ::c_int = 32;

// As per sys/socket.h, header alignment must be 8 bytes on SPARC
// and 4 bytes everywhere else:
#[cfg(target_arch = "sparc64")]
const _CMSG_HDR_ALIGNMENT: usize = 8;
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
const _CMSG_HDR_ALIGNMENT: usize = 4;

const _CMSG_DATA_ALIGNMENT: usize = ::mem::size_of::<::c_int>();

const_fn! {
    {const} fn _CMSG_HDR_ALIGN(p: usize) -> usize {
        (p + _CMSG_HDR_ALIGNMENT - 1) & !(_CMSG_HDR_ALIGNMENT - 1)
    }

    {const} fn _CMSG_DATA_ALIGN(p: usize) -> usize {
        (p + _CMSG_DATA_ALIGNMENT - 1) & !(_CMSG_DATA_ALIGNMENT - 1)
    }
}

f! {
    pub fn CMSG_DATA(cmsg: *const ::cmsghdr) -> *mut ::c_uchar {
        _CMSG_DATA_ALIGN(cmsg.offset(1) as usize) as *mut ::c_uchar
    }

    pub fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
        _CMSG_DATA_ALIGN(::mem::size_of::<::cmsghdr>()) as ::c_uint + length
    }

    pub fn CMSG_FIRSTHDR(mhdr: *const ::msghdr) -> *mut ::cmsghdr {
        if ((*mhdr).msg_controllen as usize) < ::mem::size_of::<::cmsghdr>() {
            0 as *mut ::cmsghdr
        } else {
            (*mhdr).msg_control as *mut ::cmsghdr
        }
    }

    pub fn CMSG_NXTHDR(mhdr: *const ::msghdr, cmsg: *const ::cmsghdr)
        -> *mut ::cmsghdr
    {
        if cmsg.is_null() {
            return ::CMSG_FIRSTHDR(mhdr);
        };
        let next = _CMSG_HDR_ALIGN(cmsg as usize + (*cmsg).cmsg_len as usize
            + ::mem::size_of::<::cmsghdr>());
        let max = (*mhdr).msg_control as usize
            + (*mhdr).msg_controllen as usize;
        if next > max {
            0 as *mut ::cmsghdr
        } else {
            _CMSG_HDR_ALIGN(cmsg as usize + (*cmsg).cmsg_len as usize)
                as *mut ::cmsghdr
        }
    }

    pub {const} fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
        _CMSG_HDR_ALIGN(::mem::size_of::<::cmsghdr>() as usize
            + length as usize) as ::c_uint
    }

    pub fn FD_CLR(fd: ::c_int, set: *mut fd_set) -> () {
        let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
        let fd = fd as usize;
        (*set).fds_bits[fd / bits] &= !(1 << (fd % bits));
        return
    }

    pub fn FD_ISSET(fd: ::c_int, set: *const fd_set) -> bool {
        let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
        let fd = fd as usize;
        return ((*set).fds_bits[fd / bits] & (1 << (fd % bits))) != 0
    }

    pub fn FD_SET(fd: ::c_int, set: *mut fd_set) -> () {
        let bits = ::mem::size_of_val(&(*set).fds_bits[0]) * 8;
        let fd = fd as usize;
        (*set).fds_bits[fd / bits] |= 1 << (fd % bits);
        return
    }

    pub fn FD_ZERO(set: *mut fd_set) -> () {
        for slot in (*set).fds_bits.iter_mut() {
            *slot = 0;
        }
    }
}

safe_f! {
    pub {const} fn WIFEXITED(status: ::c_int) -> bool {
        (status & 0xFF) == 0
    }

    pub {const} fn WEXITSTATUS(status: ::c_int) -> ::c_int {
        (status >> 8) & 0xFF
    }

    pub {const} fn WTERMSIG(status: ::c_int) -> ::c_int {
        status & 0x7F
    }

    pub {const} fn WIFCONTINUED(status: ::c_int) -> bool {
        (status & 0xffff) == 0xffff
    }

    pub {const} fn WSTOPSIG(status: ::c_int) -> ::c_int {
        (status & 0xff00) >> 8
    }

    pub {const} fn WIFSIGNALED(status: ::c_int) -> bool {
        ((status & 0xff) > 0) && (status & 0xff00 == 0)
    }

    pub {const} fn WIFSTOPPED(status: ::c_int) -> bool {
        ((status & 0xff) == 0x7f) && ((status & 0xff00) != 0)
    }

    pub {const} fn WCOREDUMP(status: ::c_int) -> bool {
        (status & 0x80) != 0
    }

    pub {const} fn MR_GET_TYPE(flags: ::c_uint) -> ::c_uint {
        flags & 0x0000ffff
    }
}

extern "C" {
    pub fn getrlimit(resource: ::c_int, rlim: *mut ::rlimit) -> ::c_int;
    pub fn setrlimit(resource: ::c_int, rlim: *const ::rlimit) -> ::c_int;

    pub fn strerror_r(errnum: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int;

    pub fn sem_destroy(sem: *mut sem_t) -> ::c_int;
    pub fn sem_init(sem: *mut sem_t, pshared: ::c_int, value: ::c_uint) -> ::c_int;

    pub fn abs(i: ::c_int) -> ::c_int;
    pub fn acct(filename: *const ::c_char) -> ::c_int;
    pub fn atof(s: *const ::c_char) -> ::c_double;
    pub fn dirfd(dirp: *mut ::DIR) -> ::c_int;
    pub fn labs(i: ::c_long) -> ::c_long;
    pub fn rand() -> ::c_int;
    pub fn srand(seed: ::c_uint);
    pub fn getentropy(buf: *mut ::c_void, buflen: ::size_t) -> ::c_int;
    pub fn getrandom(bbuf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;

    pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int;
    pub fn settimeofday(tp: *const ::timeval, tz: *const ::c_void) -> ::c_int;
    pub fn getifaddrs(ifap: *mut *mut ::ifaddrs) -> ::c_int;
    pub fn freeifaddrs(ifa: *mut ::ifaddrs);

    pub fn stack_getbounds(sp: *mut ::stack_t) -> ::c_int;
    pub fn getgrouplist(
        name: *const ::c_char,
        basegid: ::gid_t,
        groups: *mut ::gid_t,
        ngroups: *mut ::c_int,
    ) -> ::c_int;
    pub fn initgroups(name: *const ::c_char, basegid: ::gid_t) -> ::c_int;
    pub fn setgroups(ngroups: ::c_int, ptr: *const ::gid_t) -> ::c_int;
    pub fn ioctl(fildes: ::c_int, request: ::c_int, ...) -> ::c_int;
    pub fn mprotect(addr: *const ::c_void, len: ::size_t, prot: ::c_int) -> ::c_int;
    pub fn ___errno() -> *mut ::c_int;
    pub fn clock_getres(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
    pub fn clock_gettime(clk_id: ::clockid_t, tp: *mut ::timespec) -> ::c_int;
    pub fn clock_nanosleep(
        clk_id: ::clockid_t,
        flags: ::c_int,
        rqtp: *const ::timespec,
        rmtp: *mut ::timespec,
    ) -> ::c_int;
    pub fn clock_settime(clk_id: ::clockid_t, tp: *const ::timespec) -> ::c_int;
    pub fn getnameinfo(
        sa: *const ::sockaddr,
        salen: ::socklen_t,
        host: *mut ::c_char,
        hostlen: ::socklen_t,
        serv: *mut ::c_char,
        sevlen: ::socklen_t,
        flags: ::c_int,
    ) -> ::c_int;
    pub fn setpwent();
    pub fn endpwent();
    pub fn getpwent() -> *mut passwd;
    pub fn fdatasync(fd: ::c_int) -> ::c_int;
    pub fn nl_langinfo_l(item: ::nl_item, locale: ::locale_t) -> *mut ::c_char;
    pub fn duplocale(base: ::locale_t) -> ::locale_t;
    pub fn freelocale(loc: ::locale_t);
    pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
    pub fn uselocale(loc: ::locale_t) -> ::locale_t;
    pub fn getprogname() -> *const ::c_char;
    pub fn setprogname(name: *const ::c_char);
    pub fn getloadavg(loadavg: *mut ::c_double, nelem: ::c_int) -> ::c_int;
    pub fn getpriority(which: ::c_int, who: ::c_int) -> ::c_int;
    pub fn setpriority(which: ::c_int, who: ::c_int, prio: ::c_int) -> ::c_int;

    pub fn mknodat(
        dirfd: ::c_int,
        pathname: *const ::c_char,
        mode: ::mode_t,
        dev: dev_t,
    ) -> ::c_int;
    pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char, mode: ::mode_t) -> ::c_int;
    pub fn sethostname(name: *const ::c_char, len: ::c_int) -> ::c_int;
    pub fn if_nameindex() -> *mut if_nameindex;
    pub fn if_freenameindex(ptr: *mut if_nameindex);
    pub fn pthread_create(
        native: *mut ::pthread_t,
        attr: *const ::pthread_attr_t,
        f: extern "C" fn(*mut ::c_void) -> *mut ::c_void,
        value: *mut ::c_void,
    ) -> ::c_int;
    pub fn pthread_attr_getstack(
        attr: *const ::pthread_attr_t,
        stackaddr: *mut *mut ::c_void,
        stacksize: *mut ::size_t,
    ) -> ::c_int;
    pub fn pthread_condattr_getclock(
        attr: *const pthread_condattr_t,
        clock_id: *mut clockid_t,
    ) -> ::c_int;
    pub fn pthread_condattr_setclock(
        attr: *mut pthread_condattr_t,
        clock_id: ::clockid_t,
    ) -> ::c_int;
    pub fn sem_timedwait(sem: *mut sem_t, abstime: *const ::timespec) -> ::c_int;
    pub fn sem_getvalue(sem: *mut sem_t, sval: *mut ::c_int) -> ::c_int;
    pub fn pthread_mutex_timedlock(
        lock: *mut pthread_mutex_t,
        abstime: *const ::timespec,
    ) -> ::c_int;
    pub fn pthread_getname_np(tid: ::pthread_t, name: *mut ::c_char, len: ::size_t) -> ::c_int;
    pub fn pthread_setname_np(tid: ::pthread_t, name: *const ::c_char) -> ::c_int;
    pub fn waitid(idtype: idtype_t, id: id_t, infop: *mut ::siginfo_t, options: ::c_int)
        -> ::c_int;

    #[cfg_attr(target_os = "illumos", link_name = "_glob_ext")]
    pub fn glob(
        pattern: *const ::c_char,
        flags: ::c_int,
        errfunc: ::Option<extern "C" fn(epath: *const ::c_char, errno: ::c_int) -> ::c_int>,
        pglob: *mut ::glob_t,
    ) -> ::c_int;

    #[cfg_attr(target_os = "illumos", link_name = "_globfree_ext")]
    pub fn globfree(pglob: *mut ::glob_t);

    pub fn posix_madvise(addr: *mut ::c_void, len: ::size_t, advice: ::c_int) -> ::c_int;

    pub fn shmat(shmid: ::c_int, shmaddr: *const ::c_void, shmflg: ::c_int) -> *mut ::c_void;

    pub fn shmctl(shmid: ::c_int, cmd: ::c_int, buf: *mut ::shmid_ds) -> ::c_int;

    pub fn shmdt(shmaddr: *const ::c_void) -> ::c_int;

    pub fn shmget(key: key_t, size: ::size_t, shmflg: ::c_int) -> ::c_int;

    pub fn shm_open(name: *const ::c_char, oflag: ::c_int, mode: ::mode_t) -> ::c_int;
    pub fn shm_unlink(name: *const ::c_char) -> ::c_int;

    pub fn seekdir(dirp: *mut ::DIR, loc: ::c_long);

    pub fn telldir(dirp: *mut ::DIR) -> ::c_long;
    pub fn madvise(addr: *mut ::c_void, len: ::size_t, advice: ::c_int) -> ::c_int;

    pub fn msync(addr: *mut ::c_void, len: ::size_t, flags: ::c_int) -> ::c_int;

    pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;

    pub fn recvfrom(
        socket: ::c_int,
        buf: *mut ::c_void,
        len: ::size_t,
        flags: ::c_int,
        addr: *mut ::sockaddr,
        addrlen: *mut ::socklen_t,
    ) -> ::ssize_t;
    pub fn mkstemps(template: *mut ::c_char, suffixlen: ::c_int) -> ::c_int;
    pub fn futimesat(fd: ::c_int, path: *const ::c_char, times: *const ::timeval) -> ::c_int;
    pub fn futimens(dirfd: ::c_int, times: *const ::timespec) -> ::c_int;
    pub fn utimensat(
        dirfd: ::c_int,
        path: *const ::c_char,
        times: *const ::timespec,
        flag: ::c_int,
    ) -> ::c_int;
    pub fn nl_langinfo(item: ::nl_item) -> *mut ::c_char;

    #[cfg_attr(target_os = "illumos", link_name = "__xnet_bind")]
    pub fn bind(socket: ::c_int, address: *const ::sockaddr, address_len: ::socklen_t) -> ::c_int;

    pub fn writev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;
    pub fn readv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int) -> ::ssize_t;

    #[cfg_attr(target_os = "illumos", link_name = "__xnet_sendmsg")]
    pub fn sendmsg(fd: ::c_int, msg: *const ::msghdr, flags: ::c_int) -> ::ssize_t;
    #[cfg_attr(target_os = "illumos", link_name = "__xnet_recvmsg")]
    pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::ssize_t;
    pub fn accept4(
        fd: ::c_int,
        address: *mut sockaddr,
        address_len: *mut socklen_t,
        flags: ::c_int,
    ) -> ::c_int;

    pub fn mq_open(name: *const ::c_char, oflag: ::c_int, ...) -> ::mqd_t;
    pub fn mq_close(mqd: ::mqd_t) -> ::c_int;
    pub fn mq_unlink(name: *const ::c_char) -> ::c_int;
    pub fn mq_receive(
        mqd: ::mqd_t,
        msg_ptr: *mut ::c_char,
        msg_len: ::size_t,
        msg_prio: *mut ::c_uint,
    ) -> ::ssize_t;
    pub fn mq_timedreceive(
        mqd: ::mqd_t,
        msg_ptr: *mut ::c_char,
        msg_len: ::size_t,
        msg_prio: *mut ::c_uint,
        abs_timeout: *const ::timespec,
    ) -> ::ssize_t;
    pub fn mq_send(
        mqd: ::mqd_t,
        msg_ptr: *const ::c_char,
        msg_len: ::size_t,
        msg_prio: ::c_uint,
    ) -> ::c_int;
    pub fn mq_timedsend(
        mqd: ::mqd_t,
        msg_ptr: *const ::c_char,
        msg_len: ::size_t,
        msg_prio: ::c_uint,
        abs_timeout: *const ::timespec,
    ) -> ::c_int;
    pub fn mq_getattr(mqd: ::mqd_t, attr: *mut ::mq_attr) -> ::c_int;
    pub fn mq_setattr(mqd: ::mqd_t, newattr: *const ::mq_attr, oldattr: *mut ::mq_attr) -> ::c_int;
    pub fn port_create() -> ::c_int;
    pub fn port_associate(
        port: ::c_int,
        source: ::c_int,
        object: ::uintptr_t,
        events: ::c_int,
        user: *mut ::c_void,
    ) -> ::c_int;
    pub fn port_dissociate(port: ::c_int, source: ::c_int, object: ::uintptr_t) -> ::c_int;
    pub fn port_get(port: ::c_int, pe: *mut port_event, timeout: *mut ::timespec) -> ::c_int;
    pub fn port_getn(
        port: ::c_int,
        pe_list: *mut port_event,
        max: ::c_uint,
        nget: *mut ::c_uint,
        timeout: *mut ::timespec,
    ) -> ::c_int;
    pub fn port_send(port: ::c_int, events: ::c_int, user: *mut ::c_void) -> ::c_int;
    pub fn port_sendn(
        port_list: *mut ::c_int,
        error_list: *mut ::c_int,
        nent: ::c_uint,
        events: ::c_int,
        user: *mut ::c_void,
    ) -> ::c_int;
    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_getgrgid_r"
    )]
    pub fn getgrgid_r(
        gid: ::gid_t,
        grp: *mut ::group,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut ::group,
    ) -> ::c_int;
    pub fn sigaltstack(ss: *const stack_t, oss: *mut stack_t) -> ::c_int;
    pub fn sem_close(sem: *mut sem_t) -> ::c_int;
    pub fn getdtablesize() -> ::c_int;

    // The epoll functions are actually only present on illumos.  However,
    // there are things using epoll on illumos (built using the
    // x86_64-pc-solaris target) which would break until the illumos target is
    // present in rustc.
    pub fn epoll_pwait(
        epfd: ::c_int,
        events: *mut ::epoll_event,
        maxevents: ::c_int,
        timeout: ::c_int,
        sigmask: *const ::sigset_t,
    ) -> ::c_int;

    pub fn epoll_create(size: ::c_int) -> ::c_int;
    pub fn epoll_create1(flags: ::c_int) -> ::c_int;
    pub fn epoll_wait(
        epfd: ::c_int,
        events: *mut ::epoll_event,
        maxevents: ::c_int,
        timeout: ::c_int,
    ) -> ::c_int;
    pub fn epoll_ctl(epfd: ::c_int, op: ::c_int, fd: ::c_int, event: *mut ::epoll_event)
        -> ::c_int;

    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_getgrnam_r"
    )]
    pub fn getgrnam_r(
        name: *const ::c_char,
        grp: *mut ::group,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut ::group,
    ) -> ::c_int;
    pub fn thr_self() -> ::thread_t;
    pub fn pthread_sigmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int;
    pub fn sem_open(name: *const ::c_char, oflag: ::c_int, ...) -> *mut sem_t;
    pub fn getgrnam(name: *const ::c_char) -> *mut ::group;
    pub fn pthread_kill(thread: ::pthread_t, sig: ::c_int) -> ::c_int;
    pub fn sched_get_priority_min(policy: ::c_int) -> ::c_int;
    pub fn sched_get_priority_max(policy: ::c_int) -> ::c_int;
    pub fn sched_getparam(pid: ::pid_t, param: *mut sched_param) -> ::c_int;
    pub fn sched_setparam(pid: ::pid_t, param: *const sched_param) -> ::c_int;
    pub fn sched_getscheduler(pid: ::pid_t) -> ::c_int;
    pub fn sched_setscheduler(
        pid: ::pid_t,
        policy: ::c_int,
        param: *const ::sched_param,
    ) -> ::c_int;
    pub fn sem_unlink(name: *const ::c_char) -> ::c_int;
    pub fn daemon(nochdir: ::c_int, noclose: ::c_int) -> ::c_int;
    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_getpwnam_r"
    )]
    pub fn getpwnam_r(
        name: *const ::c_char,
        pwd: *mut passwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut passwd,
    ) -> ::c_int;
    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_getpwuid_r"
    )]
    pub fn getpwuid_r(
        uid: ::uid_t,
        pwd: *mut passwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut passwd,
    ) -> ::c_int;
    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_getpwent_r"
    )]
    pub fn getpwent_r(
        pwd: *mut passwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut passwd,
    ) -> ::c_int;
    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_getgrent_r"
    )]
    pub fn getgrent_r(
        grp: *mut ::group,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut ::group,
    ) -> ::c_int;
    #[cfg_attr(
        any(target_os = "solaris", target_os = "illumos"),
        link_name = "__posix_sigwait"
    )]
    pub fn sigwait(set: *const sigset_t, sig: *mut ::c_int) -> ::c_int;
    pub fn pthread_atfork(
        prepare: ::Option<unsafe extern "C" fn()>,
        parent: ::Option<unsafe extern "C" fn()>,
        child: ::Option<unsafe extern "C" fn()>,
    ) -> ::c_int;
    pub fn getgrgid(gid: ::gid_t) -> *mut ::group;
    pub fn setgrent();
    pub fn endgrent();
    pub fn getgrent() -> *mut ::group;
    pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;

    pub fn dup3(src: ::c_int, dst: ::c_int, flags: ::c_int) -> ::c_int;
    pub fn uname(buf: *mut ::utsname) -> ::c_int;
    pub fn pipe2(fds: *mut ::c_int, flags: ::c_int) -> ::c_int;

    pub fn makeutx(ux: *const utmpx) -> *mut utmpx;
    pub fn modutx(ux: *const utmpx) -> *mut utmpx;
    pub fn updwtmpx(file: *const ::c_char, ut: *const utmpx) -> ::c_int;
    pub fn utmpxname(file: *const ::c_char) -> ::c_int;
    pub fn getutxent() -> *mut utmpx;
    pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
    pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
    pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
    pub fn setutxent();
    pub fn endutxent();

    pub fn endutent();
    pub fn getutent() -> *mut utmp;
    pub fn getutid(u: *const utmp) -> *mut utmp;
    pub fn getutline(u: *const utmp) -> *mut utmp;
    pub fn pututline(u: *const utmp) -> *mut utmp;
    pub fn setutent();
    pub fn utmpname(file: *const ::c_char) -> ::c_int;

    pub fn getutmp(ux: *const utmpx, u: *mut utmp);
    pub fn getutmpx(u: *const utmp, ux: *mut utmpx);
    pub fn updwtmp(file: *const ::c_char, u: *mut utmp);

    pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
    pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;

    pub fn timer_create(clock_id: clockid_t, evp: *mut sigevent, timerid: *mut timer_t) -> ::c_int;
    pub fn timer_delete(timerid: timer_t) -> ::c_int;
    pub fn timer_getoverrun(timerid: timer_t) -> ::c_int;
    pub fn timer_gettime(timerid: timer_t, value: *mut itimerspec) -> ::c_int;
    pub fn timer_settime(
        timerid: timer_t,
        flags: ::c_int,
        value: *const itimerspec,
        ovalue: *mut itimerspec,
    ) -> ::c_int;

    pub fn ucred_get(pid: ::pid_t) -> *mut ucred_t;
    pub fn getpeerucred(fd: ::c_int, ucred: *mut *mut ucred_t) -> ::c_int;

    pub fn ucred_free(ucred: *mut ucred_t);

    pub fn ucred_geteuid(ucred: *const ucred_t) -> ::uid_t;
    pub fn ucred_getruid(ucred: *const ucred_t) -> ::uid_t;
    pub fn ucred_getsuid(ucred: *const ucred_t) -> ::uid_t;
    pub fn ucred_getegid(ucred: *const ucred_t) -> ::gid_t;
    pub fn ucred_getrgid(ucred: *const ucred_t) -> ::gid_t;
    pub fn ucred_getsgid(ucred: *const ucred_t) -> ::gid_t;
    pub fn ucred_getgroups(ucred: *const ucred_t, groups: *mut *const ::gid_t) -> ::c_int;
    pub fn ucred_getpid(ucred: *const ucred_t) -> ::pid_t;
    pub fn ucred_getprojid(ucred: *const ucred_t) -> projid_t;
    pub fn ucred_getzoneid(ucred: *const ucred_t) -> zoneid_t;
    pub fn ucred_getpflags(ucred: *const ucred_t, flags: ::c_uint) -> ::c_uint;

    pub fn ucred_size() -> ::size_t;

    pub fn pset_create(newpset: *mut ::psetid_t) -> ::c_int;
    pub fn pset_destroy(pset: ::psetid_t) -> ::c_int;
    pub fn pset_assign(pset: ::psetid_t, cpu: ::processorid_t, opset: *mut psetid_t) -> ::c_int;
    pub fn pset_info(
        pset: ::psetid_t,
        tpe: *mut ::c_int,
        numcpus: *mut ::c_uint,
        cpulist: *mut processorid_t,
    ) -> ::c_int;
    pub fn pset_bind(
        pset: ::psetid_t,
        idtype: ::idtype_t,
        id: ::id_t,
        opset: *mut psetid_t,
    ) -> ::c_int;
    pub fn pset_list(pset: *mut psetid_t, numpsets: *mut ::c_uint) -> ::c_int;
    pub fn pset_setattr(pset: psetid_t, attr: ::c_uint) -> ::c_int;
    pub fn pset_getattr(pset: psetid_t, attr: *mut ::c_uint) -> ::c_int;
    pub fn processor_bind(
        idtype: ::idtype_t,
        id: ::id_t,
        new_binding: ::processorid_t,
        old_binding: *mut processorid_t,
    ) -> ::c_int;
    pub fn p_online(processorid: ::processorid_t, flag: ::c_int) -> ::c_int;
    pub fn processor_info(processorid: ::processorid_t, infop: *mut processor_info_t) -> ::c_int;

    pub fn getexecname() -> *const ::c_char;

    pub fn gethostid() -> ::c_long;

    pub fn getpflags(flags: ::c_uint) -> ::c_uint;
    pub fn setpflags(flags: ::c_uint, value: ::c_uint) -> ::c_int;

    pub fn sysinfo(command: ::c_int, buf: *mut ::c_char, count: ::c_long) -> ::c_int;
}

#[link(name = "sendfile")]
extern "C" {
    pub fn sendfile(out_fd: ::c_int, in_fd: ::c_int, off: *mut ::off_t, len: ::size_t)
        -> ::ssize_t;
    pub fn sendfilev(
        fildes: ::c_int,
        vec: *const sendfilevec_t,
        sfvcnt: ::c_int,
        xferred: *mut ::size_t,
    ) -> ::ssize_t;
    // #include <link.h>
    #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
    pub fn dl_iterate_phdr(
        callback: ::Option<
            unsafe extern "C" fn(
                info: *mut dl_phdr_info,
                size: usize,
                data: *mut ::c_void,
            ) -> ::c_int,
        >,
        data: *mut ::c_void,
    ) -> ::c_int;
    pub fn getpagesize() -> ::c_int;
    pub fn getpagesizes(pagesize: *mut ::size_t, nelem: ::c_int) -> ::c_int;
    pub fn mmapobj(
        fd: ::c_int,
        flags: ::c_uint,
        storage: *mut mmapobj_result_t,
        elements: *mut ::c_uint,
        arg: *mut ::c_void,
    ) -> ::c_int;
    pub fn meminfo(
        inaddr: *const u64,
        addr_count: ::c_int,
        info_req: *const ::c_uint,
        info_count: ::c_int,
        outdata: *mut u64,
        validity: *mut ::c_uint,
    ) -> ::c_int;

    pub fn strcasecmp_l(s1: *const ::c_char, s2: *const ::c_char, loc: ::locale_t) -> ::c_int;
    pub fn strncasecmp_l(
        s1: *const ::c_char,
        s2: *const ::c_char,
        n: ::size_t,
        loc: ::locale_t,
    ) -> ::c_int;
    pub fn strsep(string: *mut *mut ::c_char, delim: *const ::c_char) -> *mut ::c_char;
}

#[link(name = "lgrp")]
extern "C" {
    pub fn lgrp_init(view: lgrp_view_t) -> lgrp_cookie_t;
    pub fn lgrp_fini(cookie: lgrp_cookie_t) -> ::c_int;
    pub fn lgrp_affinity_get(
        idtype: ::idtype_t,
        id: ::id_t,
        lgrp: ::lgrp_id_t,
    ) -> ::lgrp_affinity_t;
    pub fn lgrp_affinity_set(
        idtype: ::idtype_t,
        id: ::id_t,
        lgrp: ::lgrp_id_t,
        aff: lgrp_affinity_t,
    ) -> ::lgrp_affinity_t;
    pub fn lgrp_cpus(
        cookie: ::lgrp_cookie_t,
        lgrp: ::lgrp_id_t,
        cpuids: *mut ::processorid_t,
        count: ::c_uint,
        content: ::lgrp_content_t,
    ) -> ::c_int;
    pub fn lgrp_mem_size(
        cookie: ::lgrp_cookie_t,
        lgrp: ::lgrp_id_t,
        tpe: ::lgrp_mem_size_flag_t,
        content: ::lgrp_content_t,
    ) -> ::lgrp_mem_size_t;
    pub fn lgrp_nlgrps(cookie: ::lgrp_cookie_t) -> ::c_int;
    pub fn lgrp_view(cookie: ::lgrp_cookie_t) -> ::lgrp_view_t;
}

mod compat;
pub use self::compat::*;

cfg_if! {
    if #[cfg(target_os = "illumos")] {
        mod illumos;
        pub use self::illumos::*;
    } else if #[cfg(target_os = "solaris")] {
        mod solaris;
        pub use self::solaris::*;
    } else {
        // Unknown target_os
    }
}

cfg_if! {
    if #[cfg(target_arch = "x86_64")] {
        mod x86_64;
        pub use self::x86_64::*;
    } else if #[cfg(target_arch = "x86")] {
        mod x86;
        pub use self::x86::*;
    }
}
