4.3BSD - /usr/src/lib/libc/net/getservbyname.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[] = "@(#)getservbyname.c	5.3 (Berkeley) 5/19/86";
   9: #endif LIBC_SCCS and not lint
  10: 
  11: #include <netdb.h>
  12: 
  13: extern int _serv_stayopen;
  14: 
  15: struct servent *
  16: getservbyname(name, proto)
  17:     char *name, *proto;
  18: {
  19:     register struct servent *p;
  20:     register char **cp;
  21: 
  22:     setservent(_serv_stayopen);
  23:     while (p = getservent()) {
  24:         if (strcmp(name, p->s_name) == 0)
  25:             goto gotname;
  26:         for (cp = p->s_aliases; *cp; cp++)
  27:             if (strcmp(name, *cp) == 0)
  28:                 goto gotname;
  29:         continue;
  30: gotname:
  31:         if (proto == 0 || strcmp(p->s_proto, proto) == 0)
  32:             break;
  33:     }
  34:     if (!_serv_stayopen)
  35:         endservent();
  36:     return (p);
  37: }

Defined functions

Defined variables