Function ucnv_fromUChars

pub unsafe fn ucnv_fromUChars<P1>(
    cnv: *mut UConverter,
    dest: P1,
    destcapacity: i32,
    src: *const u16,
    srclength: i32,
    perrorcode: *mut UErrorCode,
) -> i32
where
    P1: Param<PCSTR>,