InitOnce           29 src/runtime/windows_threads.cpp extern WIN32API bool InitOnceExecuteOnce(InitOnce *, bool WIN32API (*f)(InitOnce *, void *, void **), void *, void **);
InitOnce           36 src/runtime/windows_threads.cpp     InitOnce once;
InitOnce           39 src/runtime/windows_threads.cpp WEAK WIN32API bool init_mutex(InitOnce *, void *mutex_arg, void **) {