Function ms_speech_sys::synthesizer_create_speech_synthesizer_from_config

pub unsafe extern "C" fn synthesizer_create_speech_synthesizer_from_config(
    phsynth: *mut SPXSYNTHHANDLE, 
    hspeechconfig: SPXSPEECHCONFIGHANDLE, 
    haudioconfig: SPXAUDIOCONFIGHANDLE
) -> SPXHR