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To be fully compatibly with the GNU RCS tools we need to have the
same way of parsing commandline options. Since getopt(3) allows spaces
between arguments and GNU RCS tools does not we needed to roll out our
own way of option handling, and here it is.

ok niallo@

/*	$OpenBSD: rcsprog.h,v 1.10 2005/10/13 12:35:30 joris Exp $	*/
/*
 * Copyright (c) 2005 Joris Vink <joris@openbsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef RCSPROG_H
#define RCSPROG_H

extern char *__progname;
extern const char rcs_version[];
extern int verbose;

extern int rcs_optind;
extern char *rcs_optarg;

/* date.y */
time_t  cvs_date_parse(const char *);

void	rcs_usage(void);
void	checkout_usage(void);
void	checkin_usage(void);
void	rcsdiff_usage(void);
void	rcsclean_usage(void);
void	rlog_usage(void);
void	ident_usage(void);
void	(*usage)(void);

int	rcs_getopt(int, char **, const char *);
int	rcs_statfile(char *, char *, size_t);
int	checkout_main(int, char **);
int	checkin_main(int, char **);
int	rcs_main(int, char **);
int	rcsdiff_main(int, char **);
int	rcsclean_main(int, char **);
int	rlog_main(int, char **);
int	ident_main(int, char **);

#endif	/* RCSPROG_H */