/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University 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 WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getproto.c	5.5 (Berkeley) 06/27/88";
#endif /* LIBC_SCCS and not lint */

#include <netdb.h>

extern int _proto_stayopen;

struct protoent *
getprotobynumber(proto)
	register int proto;
{
	register struct protoent *p;

	setprotoent(_proto_stayopen);
	while (p = getprotoent())
		if (p->p_proto == proto)
			break;
	if (!_proto_stayopen)
		endprotoent();
	return (p);
}