_pthread_main_np
#define pthread_main_np _pthread_main_np
if (!__isthreaded || _pthread_main_np() != 0) { \
#define thr_main() _pthread_main_np()
if (!__isthreaded || _pthread_main_np()) \
(!__isthreaded || _pthread_main_np() ? \
if (_pthread_main_np() != 0)
STATIC_LIB_REQUIRE(_pthread_main_np);
__strong_reference(_pthread_main_np, pthread_main_np);