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[] = "@(#)getservbyname.c 5.3 (Berkeley) 05/19/86"; 9 #endif LIBC_SCCS and not lint 10 11 #include <netdb.h> 12 13 extern int _serv_stayopen; 14 15 struct servent * 16 getservbyname(name, proto) 17 char *name, *proto; 18 { 19 register struct servent *p; 20 register char **cp; 21 22 setservent(_serv_stayopen); 23 while (p = getservent()) { 24 if (strcmp(name, p->s_name) == 0) 25 goto gotname; 26 for (cp = p->s_aliases; *cp; cp++) 27 if (strcmp(name, *cp) == 0) 28 goto gotname; 29 continue; 30 gotname: 31 if (proto == 0 || strcmp(p->s_proto, proto) == 0) 32 break; 33 } 34 if (!_serv_stayopen) 35 endservent(); 36 return (p); 37 } 38