59     pthread_t th;  in pthread_create()  local
68     th = (pthread_t)malloc(sizeof(pthread_s));  in pthread_create()
69     memset(th, 0, sizeof(pthread_s));  in pthread_create()
71     th->winthread_handle =  in pthread_create()
72         CreateThread(nullptr, 0, (LPTHREAD_START_ROUTINE)start_routine, arg, 0, &th->winthread_id);  in pthread_create()
73     if (th->winthread_handle == nullptr)  in pthread_create()
76     *thread = th;  in pthread_create()
80 int pthread_join(pthread_t th, void **thread_return) {  in pthread_join()  argument
87     if ((th == nullptr) || (th->winthread_handle == nullptr))  in pthread_join()
90     dw_ret = WaitForSingleObject(th->winthread_handle, INFINITE);  in pthread_join()
97         e_ret = GetExitCodeThread(th->winthread_handle, &exit_val);  in pthread_join()
103     b_ret = CloseHandle(th->winthread_handle);  in pthread_join()
106     memset(th, 0, sizeof(pthread_s));  in pthread_join()
107     free(th);  in pthread_join()
108     th = nullptr;  in pthread_join()