DIR * (*_opendir)(const char * name);

DIR * opendir(const char * name)
{
  _opendir = (DIR (*)(const char * name)) dlsym(RTLD_NEXT, "opendir");
  printf("call opendir !\n");
  return _opendir(name);
}

//error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
//error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token