getopt_long.h

/*
 * Portions Copyright (c) 1987, 1993, 1994
 * The Regents of the University of California.  All rights reserved.
 *
 * Portions Copyright (c) 2003-2010, PostgreSQL Global Development Group
 */
#ifndef GETOPT_LONG_H
#define GETOPT_LONG_H

extern int   opterr;
extern int   optind;
extern int   optopt;
extern char *optarg;

struct option
{
	const char *name;
	int         has_arg;
	int        *flag;
	int         val;
};

#define no_argument 0
#define required_argument 1

extern int getopt_long(int argc, char *const argv[],
		       const char *optstring,
		       const struct option * longopts, int *longindex);

#endif   /* GETOPT_LONG_H */