/*	$OpenBSD: extern.h,v 1.21 2020/01/15 22:06:59 jan Exp $	*/
/*	$NetBSD: extern.h,v 1.2 1995/04/11 02:44:49 cgd Exp $	*/

/*
 * Copyright (C) 1997 and 1998 WIDE Project.
 * 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. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT OR CONTRIBUTORS 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.
 */

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  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. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 *	@(#)extern.h	8.2 (Berkeley) 4/4/94
 */

void	blkfree(char **);
char  **copyblk(char **);
void	cwd(char *);
void	delete(char *);
void	dologout(int);
void	fatal(char *);
int	ftpd_pclose(FILE *, pid_t);
FILE   *ftpd_ls(const char *, pid_t *);
int     get_line(char *, int, FILE *);
void	ftpdlogwtmp(char *, char *, char *);
void	lreply(int, const char *, ...);
void	makedir(char *);
void	nack(char *);
enum auth_ret
	pass(char *);
void	passive(void);
int	epsvproto2af(int);
int	af2epsvproto(int);
void	long_passive(char *, int);
int	extended_port(const char *);
void	epsv_protounsupp(const char *);
void	perror_reply(int, char *);
void	pwd(void);
void	removedir(char *);
void	renamecmd(char *, char *);
char   *renamefrom(char *);
void	reply(int, const char *, ...);
void	reply_r(int, const char *, ...);
enum ret_cmd { RET_FILE, RET_LIST };
void	retrieve(enum ret_cmd, char *);
void	send_file_list(char *);
void	setproctitle(const char *, ...);
void	statcmd(void);
void	statfilecmd(char *);
void	store(char *, char *, int);
void	upper(char *);
void	user(char *);
void	yyerror(char *);
void	toolong(int);

struct utmp;
void	ftpd_login(struct utmp *ut);
int	ftpd_logout(char *);

int	yyparse(void);

union sockunion {
	struct sockinet {
		u_int8_t si_len;
		sa_family_t si_family;
		in_port_t si_port;
	} su_si;
	struct sockaddr_in  su_sin;
	struct sockaddr_in6 su_sin6;
};
#define su_len		su_si.si_len
#define su_family	su_si.si_family
#define su_port		su_si.si_port