4.3BSD - /usr/src/lib/libc/net/getprotoname.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[] = "@(#)getprotoname.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: getprotobyname(name)
  17:     register char *name;
  18: {
  19:     register struct protoent *p;
  20:     register char **cp;
  21: 
  22:     setprotoent(_proto_stayopen);
  23:     while (p = getprotoent()) {
  24:         if (strcmp(p->p_name, name) == 0)
  25:             break;
  26:         for (cp = p->p_aliases; *cp != 0; cp++)
  27:             if (strcmp(*cp, name) == 0)
  28:                 goto found;
  29:     }
  30: found:
  31:     if (!_proto_stayopen)
  32:         endprotoent();
  33:     return (p);
  34: }

Defined functions

Defined variables