pub unsafe extern "C" fn snd_ctl_elem_info_set_interface(
obj: *mut snd_ctl_elem_info_t,
val: snd_ctl_elem_iface_t,
)
pub unsafe extern "C" fn snd_ctl_elem_info_set_interface(
obj: *mut snd_ctl_elem_info_t,
val: snd_ctl_elem_iface_t,
)