res_comp.c File Reference

#include <sys/types.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <ctype.h>
#include <resolv.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

Include dependency graph for res_comp.c:

Macros
#define	BIND_4_COMPAT
#define	PERIOD   0x2e
#define	hyphenchar(c)   ((c) == 0x2d)
#define	bslashchar(c)   ((c) == 0x5c)
#define	periodchar(c)   ((c) == PERIOD)
#define	asterchar(c)   ((c) == 0x2a)
#define	alphachar(c)
#define	digitchar(c)   ((c) >= 0x30 && (c) <= 0x39)
#define	borderchar(c)   (alphachar(c) || digitchar(c))
#define	middlechar(c)   (borderchar(c) || hyphenchar(c))
#define	domainchar(c)   ((c) > 0x20 && (c) < 0x7f)

Functions
int	dn_expand (const u_char *msg, const u_char *eom, const u_char *src, char *dst, int dstsiz)
int	dn_comp (const char *src, u_char *dst, int dstsiz, u_char **dnptrs, u_char **lastdnptr)
int	dn_skipname (const u_char *ptr, const u_char *eom)
int	res_hnok (const char *dn)
int	res_ownok (const char *dn)
int	res_mailok (const char *dn)
int	res_dnok (const char *dn)
void	__putlong (u_int32_t src, u_char *dst)
void	__putshort (u_int16_t src, u_char *dst)
u_int32_t	_getlong (const u_char *src)
u_int16_t	_getshort (const u_char *src)

Macro Definition Documentation

alphachar

#define alphachar

(

c

)

Value:

(((c) >= 0x41 && (c) <= 0x5a) \
                   || ((c) >= 0x61 && (c) <= 0x7a))