source: trunk/minix/lib/ip/getproto.c@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 13 years ago

Minix 3.1.2a

File size: 1.5 KB
Line 
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: (1) source distributions retain this entire copyright
7 * notice and comment, and (2) distributions including binaries display
8 * the following acknowledgement: ``This product includes software
9 * developed by the University of California, Berkeley and its contributors''
10 * in the documentation or other materials provided with the distribution
11 * and in all advertising materials mentioning features or use of this
12 * software. Neither the name of the University nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 */
19
20#if defined(LIBC_SCCS) && !defined(lint)
21static char sccsid[] = "@(#)getproto.c 5.6 (Berkeley) 6/1/90";
22#endif /* LIBC_SCCS and not lint */
23
24#include <stddef.h>
25
26#ifdef _MINIX
27#include <ansi.h>
28#include <net/gen/netdb.h>
29#endif
30
31extern int _proto_stayopen;
32
33struct protoent *
34getprotobynumber(proto)
35 register int proto;
36{
37 register struct protoent *p;
38
39 setprotoent(_proto_stayopen);
40 while (p = getprotoent())
41 if (p->p_proto == proto)
42 break;
43 if (!_proto_stayopen)
44 endprotoent();
45 return (p);
46}
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