/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2001 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "mail.h"

/*
 * uns[et] [name...] -- GNU extension
 */

int
mail_unset (int argc, char **argv)
{
  if (argc < 2)
    return util_printenv (0);
  else
    {
      int status = 0, i = 1;
      for (i=1; i < argc; i++)
	{
	  char *buf = util_malloc ((7+strlen (argv[i])) * sizeof (char));
	  strcpy (buf, "set no");
	  strcat (buf, argv[i]);
	  if (!util_do_command (buf))
	    status = 1;
	  free (buf);
	}
      return status;
    }
  return 1;
}