26 #include "dbus-types.h"    27 #include "dbus-test.h"    35 # include <dbus/dbus-sysdeps-unix.h>    42   const char *test_data_dir;
    43   const char *specific_test;
    51   setlocale(LC_ALL, 
"");
    54   if (argc > 1 && strcmp (argv[1], 
"--tap") != 0)
    55     test_data_dir = argv[1];
    60     specific_test = argv[2];
    64   dbus_internal_do_not_use_run_tests (test_data_dir, specific_test);
 #define NULL
A null pointer, defined appropriately for C or C++. 
void _dbus_close_all(void)
Closes all file descriptors except the first three (i.e.