xref: /csrg-svn/lib/libc/net/getservbyname.c (revision 26622)
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	5.2 (Berkeley) 03/09/86";
9 #endif LIBC_SCCS and not lint
10 
11 #include <netdb.h>
12 
13 struct servent *
14 getservbyname(name, proto)
15 	char *name, *proto;
16 {
17 	register struct servent *p;
18 	register char **cp;
19 
20 	setservent(0);
21 	while (p = getservent()) {
22 		if (strcmp(name, p->s_name) == 0)
23 			goto gotname;
24 		for (cp = p->s_aliases; *cp; cp++)
25 			if (strcmp(name, *cp) == 0)
26 				goto gotname;
27 		continue;
28 gotname:
29 		if (proto == 0 || strcmp(p->s_proto, proto) == 0)
30 			break;
31 	}
32 	endservent();
33 	return (p);
34 }
35