/* Try to find a suspended protected call (a "recover point") for the given thread.  */
static CallInfo* findpcall(lua_State *L)
/* Try to find a suspended protected call (a "recover point") for the given thread.  */
static CallInfo* findpcall(lua_State *L)
{
    if (ci->callstatus & CIST_YPCALL)
      return ci;
  }
  return NULL;
}