fix copyright and condition notice for new sccs include
[unix-history] / usr / src / lib / libc / net / getproto.c
CommitLineData
8ea4199d
DF
1/*
2 * Copyright (c) 1983 Regents of the University of California.
6b2f9dd0
KB
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
f4f66d2c
KB
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
8ea4199d
DF
16 */
17
2ce81398 18#if defined(LIBC_SCCS) && !defined(lint)
f4f66d2c 19static char sccsid[] = "@(#)getproto.c 5.5 (Berkeley) %G%";
6b2f9dd0 20#endif /* LIBC_SCCS and not lint */
82fe24d3
SL
21
22#include <netdb.h>
23
5442f2c7
JL
24extern int _proto_stayopen;
25
82fe24d3 26struct protoent *
5e649950 27getprotobynumber(proto)
82fe24d3
SL
28 register int proto;
29{
30 register struct protoent *p;
31
5442f2c7 32 setprotoent(_proto_stayopen);
82fe24d3
SL
33 while (p = getprotoent())
34 if (p->p_proto == proto)
35 break;
5442f2c7
JL
36 if (!_proto_stayopen)
37 endprotoent();
82fe24d3
SL
38 return (p);
39}