_thr_attr_getscope
__weak_reference(_thr_attr_getscope, pthread_attr_getscope);
__weak_reference(_thr_attr_getscope, _pthread_attr_getscope);
[PJT_ATTR_GETSCOPE] = {DUAL_ENTRY(_thr_attr_getscope)},
int _thr_attr_getscope(const pthread_attr_t * __restrict, int * __restrict);