pub unsafe extern "C" fn snd_ctl_elem_value_set_boolean(
obj: *mut snd_ctl_elem_value_t,
idx: c_uint,
val: c_long,
)pub unsafe extern "C" fn snd_ctl_elem_value_set_boolean(
obj: *mut snd_ctl_elem_value_t,
idx: c_uint,
val: c_long,
)