/* Copyright (C) 1991, 92, 93, 94, 95, 97 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library 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   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <unistd.h>#include <hurd.h>#include <fcntl.h>/* Replace the current process, executing FILE_NAME with arguments ARGV and   environment ENVP.  ARGV and ENVP are terminated by NULL pointers.  */int__execve (file_name, argv, envp)     const char *file_name;     char *const argv[];     char *const envp[];{  error_t err;  file_t file = __file_name_lookup (file_name, O_EXEC, 0);  if (file == MACH_PORT_NULL)    return -1;  /* Hopefully this will not return.  */  err = _hurd_exec (__mach_task_self (), file, argv, envp);  /* Oh well.  Might as well be tidy.  */  __mach_port_deallocate (__mach_task_self (), file);  return __hurd_fail (err);}weak_alias (__execve, execve)