Function winapi::um::mmeapi::waveInOpen

pub unsafe extern "system" fn waveInOpen(
    phwi: LPHWAVEIN, 
    uDeviceID: UINT, 
    pwfx: LPCWAVEFORMATEX, 
    dwCallback: DWORD_PTR, 
    dwInstance: DWORD_PTR, 
    fdwOpen: DWORD
) -> MMRESULT