Type Alias rtcMessageCallbackFunc 

pub type rtcMessageCallbackFunc = Option<unsafe extern "C" fn(id: c_int, message: *const c_char, size: c_int, ptr: *mut c_void)>;

Aliased Type

pub enum rtcMessageCallbackFunc {
    None,
    Some(unsafe extern "C" fn(i32, *const i8, i32, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(i32, *const i8, i32, *mut c_void))

Some value of type T.