Function unum_formatDecimal

pub unsafe fn unum_formatDecimal<P1>(
    fmt: *const *const c_void,
    number: P1,
    length: i32,
    result: *mut u16,
    resultlength: i32,
    pos: *mut UFieldPosition,
    status: *mut UErrorCode,
) -> i32
where
    P1: Param<PCSTR>,