1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)getservbyname.c 5.6 (Berkeley) 06/01/90"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <netdb.h> 13 14 extern int _serv_stayopen; 15 16 struct servent * 17 getservbyname(name, proto) 18 char *name, *proto; 19 { 20 register struct servent *p; 21 register char **cp; 22 23 setservent(_serv_stayopen); 24 while (p = getservent()) { 25 if (strcmp(name, p->s_name) == 0) 26 goto gotname; 27 for (cp = p->s_aliases; *cp; cp++) 28 if (strcmp(name, *cp) == 0) 29 goto gotname; 30 continue; 31 gotname: 32 if (proto == 0 || strcmp(p->s_proto, proto) == 0) 33 break; 34 } 35 if (!_serv_stayopen) 36 endservent(); 37 return (p); 38 } 39