1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #if defined(LIBC_SCCS) && !defined(lint) 8 static char sccsid[] = "@(#)getprotoname.c 5.3 (Berkeley) 05/19/86"; 9 #endif LIBC_SCCS and not lint 10 11 #include <netdb.h> 12 13 extern int _proto_stayopen; 14 15 struct protoent * 16 getprotobyname(name) 17 register char *name; 18 { 19 register struct protoent *p; 20 register char **cp; 21 22 setprotoent(_proto_stayopen); 23 while (p = getprotoent()) { 24 if (strcmp(p->p_name, name) == 0) 25 break; 26 for (cp = p->p_aliases; *cp != 0; cp++) 27 if (strcmp(*cp, name) == 0) 28 goto found; 29 } 30 found: 31 if (!_proto_stayopen) 32 endprotoent(); 33 return (p); 34 } 35