xref: /csrg-svn/lib/libc/net/getnetbyaddr.c (revision 33679)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that this notice is preserved and that due credit is given
7  * to the University of California at Berkeley. The name of the University
8  * may not be used to endorse or promote products derived from this
9  * software without specific prior written permission. This software
10  * is provided ``as is'' without express or implied warranty.
11  */
12 
13 #if defined(LIBC_SCCS) && !defined(lint)
14 static char sccsid[] = "@(#)getnetbyaddr.c	5.5 (Berkeley) 03/07/88";
15 #endif /* LIBC_SCCS and not lint */
16 
17 #include <netdb.h>
18 
19 extern int _net_stayopen;
20 
21 struct netent *
22 getnetbyaddr(net, type)
23 	register long net;
24 	register int type;
25 {
26 	register struct netent *p;
27 
28 	setnetent(_net_stayopen);
29 	while (p = getnetent())
30 		if (p->n_addrtype == type && p->n_net == net)
31 			break;
32 	if (!_net_stayopen)
33 		endnetent();
34 	return (p);
35 }
36