Type Definition alsa_sys::snd_hctl_compare_t

type snd_hctl_compare_t = Option<unsafe extern "C" fn(e1: *const snd_hctl_elem_t, e2: *const snd_hctl_elem_t) -> c_int>;

\brief Compare function for sorting HCTL elements \param e1 First element \param e2 Second element \return -1 if e1 < e2, 0 if e1 == e2, 1 if e1 > e2