getopt.c File Reference

#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <stdarg.h>
#include <stdio.h>

Go to the source code of this file.

Defines
#define	REPLACE_GETOPT
#define	_DIAGASSERT(x)   do {} while (0)
#define	__progname   __argv[0]
#define	IGNORE_FIRST   (*options == '-' || *options == '+')
#define	PRINT_ERROR   ((opterr) && ((*options != ':') || (IGNORE_FIRST && options[1] != ':')))
#define	IS_POSIXLY_CORRECT   (getenv("POSIXLY_CORRECT") != NULL)
#define	PERMUTE   (!IS_POSIXLY_CORRECT && !IGNORE_FIRST)
#define	IN_ORDER   (!IS_POSIXLY_CORRECT && *options == '-')
#define	BADCH   (int)'?'
#define	BADARG   ((IGNORE_FIRST && options[1] == ':') || (*options == ':') ? (int)':' : (int)'?')
#define	INORDER   (int)1
Functions
static int	getopt_internal (int, char *const *, const char *)
static int	gcd (int, int)
static void	permute_args (int, int, int, char *const *)
static void	_vwarnx (const char *fmt, va_list ap)
static void	warnx (const char *fmt,...)
int	getopt (int nargc, char *const *nargv, const char *options)
int	getopt_long (int nargc, char *const *nargv, const char *options, const struct option *long_options, int *idx)
Variables
int	opterr = 1
int	optind = 1
int	optopt = '?'
int	optreset
char *	optarg
static char	EMSG [1]
static char *	place = EMSG
static int	nonopt_start = -1
static int	nonopt_end = -1
static const char	recargchar [] = "option requires an argument -- %c"
static const char	recargstring [] = "option requires an argument -- %s"
static const char	ambig [] = "ambiguous option -- %.*s"
static const char	noarg [] = "option doesn't take an argument -- %.*s"
static const char	illoptchar [] = "unknown option -- %c"
static const char	illoptstring [] = "unknown option -- %s"