121378Sdist /* 221378Sdist * Copyright (c) 1983 Regents of the University of California. 3*33679Sbostic * All rights reserved. 4*33679Sbostic * 5*33679Sbostic * Redistribution and use in source and binary forms are permitted 6*33679Sbostic * provided that this notice is preserved and that due credit is given 7*33679Sbostic * to the University of California at Berkeley. The name of the University 8*33679Sbostic * may not be used to endorse or promote products derived from this 9*33679Sbostic * software without specific prior written permission. This software 10*33679Sbostic * is provided ``as is'' without express or implied warranty. 1121378Sdist */ 127898Ssam 1326619Sdonn #if defined(LIBC_SCCS) && !defined(lint) 14*33679Sbostic static char sccsid[] = "@(#)getproto.c 5.4 (Berkeley) 03/07/88"; 15*33679Sbostic #endif /* LIBC_SCCS and not lint */ 1621378Sdist 177898Ssam #include <netdb.h> 187898Ssam 1928280Slepreau extern int _proto_stayopen; 2028280Slepreau 217898Ssam struct protoent * 228324Ssam getprotobynumber(proto) 237898Ssam register int proto; 247898Ssam { 257898Ssam register struct protoent *p; 267898Ssam 2728280Slepreau setprotoent(_proto_stayopen); 287898Ssam while (p = getprotoent()) 297898Ssam if (p->p_proto == proto) 307898Ssam break; 3128280Slepreau if (!_proto_stayopen) 3228280Slepreau endprotoent(); 337898Ssam return (p); 347898Ssam } 35