libexplain/unsetenv.h

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/*
 * libexplain - Explain errno values returned by libc functions
 * Copyright (C) 2010, 2013 Peter Miller
 *
 * This program 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 3 of the License, 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
 * ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULesser
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LIBEXPLAIN_UNSETENV_H
#define LIBEXPLAIN_UNSETENV_H

#include <libexplain/gcc_attributes.h>

#ifdef __cplusplus
extern "C" {
#endif

void explain_unsetenv_or_die(const char *name);

int explain_unsetenv_on_error(const char *name);

const char *explain_unsetenv(const char *name)
                                                  LIBEXPLAIN_WARN_UNUSED_RESULT;

const char *explain_errno_unsetenv(int errnum, const char *name)
                                                  LIBEXPLAIN_WARN_UNUSED_RESULT;

void explain_message_unsetenv(char *message, int message_size, const char
    *name);

void explain_message_errno_unsetenv(char *message, int message_size, int errnum,
    const char *name);

#ifdef __cplusplus
}
#endif

/* vim: set ts=8 sw=4 et : */
#endif /* LIBEXPLAIN_UNSETENV_H */