/* Test of <unistd.h> substitute.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <unistd.h>
+#include "verify.h"
+
+/* Check that NULL can be passed through varargs as a pointer type,
+ per POSIX 2008. */
+verify (sizeof NULL == sizeof (void *));
+
/* Check that the various SEEK_* macros are defined. */
int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+/* Check that the various *_FILENO macros are defined. */
+#if ! (defined STDIN_FILENO \
+ && (STDIN_FILENO + STDOUT_FILENO + STDERR_FILENO == 3))
+missing or broken *_FILENO macros
+#endif
+
/* Check that the types are all defined. */
size_t t1;
ssize_t t2;
#endif
int
-main ()
+main (void)
{
return 0;
}