usbi_cond_wait     40 third_party/libusb/src/libusb/os/threads_posix.h #define usbi_cond_wait			pthread_cond_wait
usbi_cond_wait    173 third_party/libusb/src/libusb/os/threads_windows.c int usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex) {