1  /****************************************************************************
       2   *                                                                          *
       3   *                         GNAT COMPILER COMPONENTS                         *
       4   *                                                                          *
       5   *                                    FE                                    *
       6   *                                                                          *
       7   *                              C Header File                               *
       8   *                                                                          *
       9   *          Copyright (C) 2009-2023, Free Software Foundation, Inc.         *
      10   *                                                                          *
      11   * GNAT is free software;  you can  redistribute it  and/or modify it under *
      12   * terms of the  GNU General Public License as published  by the Free Soft- *
      13   * ware  Foundation;  either version 3,  or (at your option) any later ver- *
      14   * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
      15   * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
      16   * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
      17   *                                                                          *
      18   * As a special exception under Section 7 of GPL version 3, you are granted *
      19   * additional permissions described in the GCC Runtime Library Exception,   *
      20   * version 3.1, as published by the Free Software Foundation.               *
      21   *                                                                          *
      22   * You should have received a copy of the GNU General Public License and    *
      23   * a copy of the GCC Runtime Library Exception along with this program;     *
      24   * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
      25   * <http://www.gnu.org/licenses/>.                                          *
      26   *                                                                          *
      27   * GNAT was originally developed  by the GNAT team at  New York University. *
      28   * Extensive contributions were provided by Ada Core Technologies Inc.      *
      29   *                                                                          *
      30   ****************************************************************************/
      31  
      32  extern void __gnat_getenv (char *name, int *len, char **value);
      33  extern void __gnat_setenv (char *name, char *value);
      34  extern char **__gnat_environ (void);
      35  extern void __gnat_unsetenv (char *name);
      36  extern void __gnat_clearenv (void);
      37