Type Alias PR_MessageFunc 

pub type PR_MessageFunc = Option<unsafe extern "C" fn(err_number: A_Err, msgA: *const A_char)>;

in data is passed to every pr entry function

Aliased Type

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

Variants

None

No value.

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

Some value of type T.