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[] = "@(#)getprotoname.c 5.6 (Berkeley) 06/01/90"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <netdb.h> 13 14 extern int _proto_stayopen; 15 16 struct protoent * 17 getprotobyname(name) 18 register char *name; 19 { 20 register struct protoent *p; 21 register char **cp; 22 23 setprotoent(_proto_stayopen); 24 while (p = getprotoent()) { 25 if (strcmp(p->p_name, name) == 0) 26 break; 27 for (cp = p->p_aliases; *cp != 0; cp++) 28 if (strcmp(*cp, name) == 0) 29 goto found; 30 } 31 found: 32 if (!_proto_stayopen) 33 endprotoent(); 34 return (p); 35 } 36