1 /* Test of <unistd.h> substitute.
2 Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
25 /* Check that NULL can be passed through varargs as a pointer type,
27 verify (sizeof NULL
== sizeof (void *));
29 /* Check that the various SEEK_* macros are defined. */
30 int sk
[] = { SEEK_CUR
, SEEK_END
, SEEK_SET
};
32 /* Check that the various *_FILENO macros are defined. */
33 #if ! (defined STDIN_FILENO \
34 && (STDIN_FILENO + STDOUT_FILENO + STDERR_FILENO == 3))
35 missing
or broken
*_FILENO macros
38 /* Check that the types are all defined. */
41 #ifdef TODO /* Not implemented in gnulib yet */