4.3BSD - /usr/src/lib/libc/net/getproto.c

   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: }

Defined functions

Defined variables