text: /* Tries to create a directory with the same name as an existing
     file, which must return failure. */
  
  #include <syscall.h>
  #include "tests/lib.h"
  #include "tests/main.h"
  
  void
  test_main (void)
  {
    CHECK (create ("abc", 0), "create \"abc\"");
    CHECK (!mkdir ("abc"), "mkdir \"abc\" (must return false)");
  }
  