new copyright notice
[unix-history] / usr / src / lib / libc / net / getprotoname.c
CommitLineData
8ea4199d
DF
1/*
2 * Copyright (c) 1983 Regents of the University of California.
6b2f9dd0
KB
3 * All rights reserved.
4 *
269a7923 5 * %sccs.include.redist.c%
8ea4199d
DF
6 */
7
2ce81398 8#if defined(LIBC_SCCS) && !defined(lint)
269a7923 9static char sccsid[] = "@(#)getprotoname.c 5.6 (Berkeley) %G%";
6b2f9dd0 10#endif /* LIBC_SCCS and not lint */
723e6dff
SL
11
12#include <netdb.h>
13
5442f2c7
JL
14extern int _proto_stayopen;
15
723e6dff 16struct protoent *
5e649950 17getprotobyname(name)
723e6dff
SL
18 register char *name;
19{
20 register struct protoent *p;
21 register char **cp;
22
5442f2c7 23 setprotoent(_proto_stayopen);
723e6dff
SL
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 }
31found:
5442f2c7
JL
32 if (!_proto_stayopen)
33 endprotoent();
723e6dff
SL
34 return (p);
35}