rem: return Ns_ThreadCreate2(proc, arg, stackSize, flags, resultPtr);
add: Ns_ThreadCreate2(proc, arg, stackSize, flags, resultPtr);
context: Ns_ThreadCreate(Ns_ThreadProc *proc, void *arg, long stackSize, Ns_Thread *resultPtr){    int flags;    flags = resultPtr ? 0 : NS_THREAD_DETACHED;    return Ns_ThreadCreate2(proc, arg, stackSize, flags, resultPtr);}