pub unsafe extern "C" fn snd_ctl_elem_value_copy(
dst: *mut snd_ctl_elem_value_t,
src: *const snd_ctl_elem_value_t,
)
pub unsafe extern "C" fn snd_ctl_elem_value_copy(
dst: *mut snd_ctl_elem_value_t,
src: *const snd_ctl_elem_value_t,
)