pub unsafe extern "C" fn MLDeviceMain(
dev: dev_type,
selector: devproc_selector,
p1: dev_voidp,
p2: dev_voidp,
) -> devproc_errorpub unsafe extern "C" fn MLDeviceMain(
dev: dev_type,
selector: devproc_selector,
p1: dev_voidp,
p2: dev_voidp,
) -> devproc_error