/* character-class table */
static struct cclass {
	char *name;
	char *chars;
	char *multis;
} cclasses[] = {
	{ "alnum",	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",				"" },
	{ "alpha",	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", "" },
	{ "blank",	" \t",		"" },
	{ "cntrl",	"\007\b\t\n\v\f\r\1\2\3\4\5\6\16\17\20\21\22\23\24\25\26\27\30\31\32\33\34\35\36\37\177",	"" },
	{ "digit",	"0123456789",	"" },
	{ "graph",	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", "" },
	{ "lower",	"abcdefghijklmnopqrstuvwxyz", "" },
	{ "print",	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~ ", "" },
	{ "punct",	"!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", "" },
	{ "space",	"\t\n\v\f\r ",	"" },
	{ "upper",	"ABCDEFGHIJKLMNOPQRSTUVWXYZ", "" },
	{ "xdigit",	"0123456789ABCDEFabcdef", "" },
    { NULL,		0,		"" }
};
