external/bsd/libpcap/dist/Win32/Src/getnetbynm.c

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms are permitted
   6  * provided that the above copyright notice and this paragraph are
   7  * duplicated in all such forms and that any documentation,
   8  * advertising materials, and other materials related to such
   9  * distribution and use acknowledge that the software was developed
  10  * by the University of California, Berkeley.  The name of the
  11  * University may not be used to endorse or promote products derived
  12  * from this software without specific prior written permission.
  13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16  */
  17
  18 #if defined(LIBC_SCCS) && !defined(lint)
  19 static char sccsid[] = "@(#)getnetbyname.c      5.5 (Berkeley) 6/27/88";
  20 #endif /* LIBC_SCCS and not lint */
  21
  22 #include "inetprivate.h"
  23
  24 extern int _net_stayopen;
  25
  26 struct netent *
  27 getnetbyname(const char *name)
  28 {
  29         register struct netent *p;
  30         register char **cp;
  31
  32         setnetent(_net_stayopen);
  33         while (p = getnetent()) {
  34                 if (strcmp(p->n_name, name) == 0)
  35                         break;
  36                 for (cp = p->n_aliases; *cp != 0; cp++)
  37                         if (strcmp(*cp, name) == 0)
  38                                 goto found;
  39         }
  40 found:
  41         if (!_net_stayopen)
  42                 endnetent();
  43         return (p);
  44 }