add ftpd.8 to SEE ALSO, so admin's can find out about /etc/shells

[unix-history] / usr / src / lib / libc / net / getprotoname.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at 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'' without express or implied warranty.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getprotoname.c	5.4 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <netdb.h>

extern int _proto_stayopen;

struct protoent *
getprotobyname(name)
	register char *name;
{
	register struct protoent *p;
	register char **cp;

	setprotoent(_proto_stayopen);
	while (p = getprotoent()) {
		if (strcmp(p->p_name, name) == 0)
			break;
		for (cp = p->p_aliases; *cp != 0; cp++)
			if (strcmp(*cp, name) == 0)
				goto found;
	}
found:
	if (!_proto_stayopen)
		endprotoent();
	return (p);
}