_beginthreadex    944 native_client_sdk/src/libraries/third_party/pthreads-win32/implement.h #define _beginthreadex(security, \
_beginthreadex     49 third_party/libusb/src/libusb/os/windows_usb.h #define _beginthreadex(a, b, c, d, e, f) CreateThread(a, b, (LPTHREAD_START_ROUTINE)c, d, e, f)