# GIO Reference Manual

for GIO &version; The latest version of this documentation can be found on-line at https://developer.gnome.org/gio/unstable/.

## API Reference

### File Operations

### File System Monitoring

### File-related Utilities

### Asynchronous I/O

### Data conversion

### Streaming I/O

### File types and applications

### Volumes and Drives

### Icons

### Failable Initialization

### Subprocesses

### Low-level network support

### High-level network functionallity

### TLS (SSL) support

### DNS resolution

### Low-level D-Bus Support

### High-level D-Bus Support

### Settings

### Resources

### Permissions

### Data Models

### Win32 registry support

### Application support

### Extending GIO

### GIO Tools

### GIO Testing

## Migrating to GIO

## Object Hierarchy

Index

Index of deprecated symbols

Index of new symbols in 2.18

Index of new symbols in 2.20

Index of new symbols in 2.22

Index of new symbols in 2.24

Index of new symbols in 2.26

Index of new symbols in 2.28

Index of new symbols in 2.30

Index of new symbols in 2.32

Index of new symbols in 2.34

Index of new symbols in 2.36

Index of new symbols in 2.38

Index of new symbols in 2.40

Index of new symbols in 2.42

Index of new symbols in 2.44

Index of new symbols in 2.46

Index of new symbols in 2.48

Index of new symbols in 2.50