pub unsafe extern "C" fn synthesizer_started_set_callback(
hsynth: SPXSYNTHHANDLE,
pCallback: PSYNTHESIS_CALLBACK_FUNC,
pvContext: *mut c_void
) -> AZACHR
pub unsafe extern "C" fn synthesizer_started_set_callback(
hsynth: SPXSYNTHHANDLE,
pCallback: PSYNTHESIS_CALLBACK_FUNC,
pvContext: *mut c_void
) -> AZACHR