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Annotation of 43BSD/lib/libc/net/getproto.c, revision 1.1.1.1

1.1       root        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[] = "@(#)getproto.c 5.3 (Berkeley) 5/19/86";
                      9: #endif LIBC_SCCS and not lint
                     10: 
                     11: #include <netdb.h>
                     12: 
                     13: extern int _proto_stayopen;
                     14: 
                     15: struct protoent *
                     16: getprotobynumber(proto)
                     17:        register int proto;
                     18: {
                     19:        register struct protoent *p;
                     20: 
                     21:        setprotoent(_proto_stayopen);
                     22:        while (p = getprotoent())
                     23:                if (p->p_proto == proto)
                     24:                        break;
                     25:        if (!_proto_stayopen)
                     26:                endprotoent();
                     27:        return (p);
                     28: }

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