1  /* GLIB - Library of useful routines for C programming
       2   * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
       3   *
       4   * SPDX-License-Identifier: LGPL-2.1-or-later
       5   *
       6   * This library is free software; you can redistribute it and/or
       7   * modify it under the terms of the GNU Lesser General Public
       8   * License as published by the Free Software Foundation; either
       9   * version 2.1 of the License, or (at your option) any later version.
      10   *
      11   * This library is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14   * Lesser General Public License for more details.
      15   *
      16   * You should have received a copy of the GNU Lesser General Public
      17   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
      18   */
      19  
      20  /*
      21   * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
      22   * file for a list of people on the GLib Team.  See the ChangeLog
      23   * files for a list of changes.  These files are distributed with
      24   * GLib at ftp://ftp.gtk.org/pub/gtk/.
      25   */
      26  
      27  #ifndef __G_ENVIRON_H__
      28  #define __G_ENVIRON_H__
      29  
      30  #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
      31  #error "Only <glib.h> can be included directly."
      32  #endif
      33  
      34  #include <glib/gtypes.h>
      35  
      36  G_BEGIN_DECLS
      37  
      38  GLIB_AVAILABLE_IN_ALL
      39  const gchar * g_getenv           (const gchar  *variable);
      40  GLIB_AVAILABLE_IN_ALL
      41  gboolean      g_setenv           (const gchar  *variable,
      42                                    const gchar  *value,
      43                                    gboolean      overwrite);
      44  GLIB_AVAILABLE_IN_ALL
      45  void          g_unsetenv         (const gchar  *variable);
      46  GLIB_AVAILABLE_IN_ALL
      47  gchar **      g_listenv          (void);
      48  
      49  GLIB_AVAILABLE_IN_ALL
      50  gchar **      g_get_environ      (void);
      51  GLIB_AVAILABLE_IN_ALL
      52  const gchar * g_environ_getenv   (gchar       **envp,
      53                                    const gchar  *variable);
      54  GLIB_AVAILABLE_IN_ALL
      55  gchar **      g_environ_setenv   (gchar       **envp,
      56                                    const gchar  *variable,
      57                                    const gchar  *value,
      58                                    gboolean      overwrite) G_GNUC_WARN_UNUSED_RESULT;
      59  GLIB_AVAILABLE_IN_ALL
      60  gchar **      g_environ_unsetenv (gchar       **envp,
      61                                    const gchar  *variable) G_GNUC_WARN_UNUSED_RESULT;
      62  
      63  G_END_DECLS
      64  
      65  #endif /* __G_ENVIRON_H__ */