Type Alias switch_cap_callback_t 

pub type switch_cap_callback_t = Option<unsafe extern "C" fn(var: *const c_char, val: *const c_char, user_data: *mut c_void)>;

Aliased Type

pub enum switch_cap_callback_t {
    None,
    Some(unsafe extern "C" fn(*const i8, *const i8, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const i8, *const i8, *mut c_void))

Some value of type T.