pub unsafe fn uloc_getKeywordValue<P0, P1, P2>(
    localeid: P0,
    keywordname: P1,
    buffer: P2,
    buffercapacity: i32,
    status: *mut UErrorCode
) -> i32
where P0: IntoParam<PCSTR>, P1: IntoParam<PCSTR>, P2: IntoParam<PCSTR>,