glib/genviron.h

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