/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)getproto.c 5.6 (Berkeley) 6/1/90"; #endif /* LIBC_SCCS and not lint */ #include #ifdef _MINIX #include #include #endif 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); }