Function ucurr_getName 

pub unsafe fn ucurr_getName<P1>(
    currency: *const u16,
    locale: P1,
    namestyle: UCurrNameStyle,
    ischoiceformat: *mut i8,
    len: *mut i32,
    ec: *mut UErrorCode,
) -> *mut u16
where
    P1: Param<PCSTR>,