args.caller = __builtin_return_address (0);
args.caller = RETURN_ADDRESS (0);
__dlopen_check (const char *file, int mode){  struct dlopen_args args;  args.file = file;  args.mode = mode;  args.caller = __builtin_return_address (0);  return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;}