Function alsa_sys::snd_pcm_hw_params_test_subformat

pub unsafe extern "C" fn snd_pcm_hw_params_test_subformat(
    pcm: *mut snd_pcm_t, 
    params: *mut snd_pcm_hw_params_t, 
    subformat: snd_pcm_subformat_t
) -> c_int