Function CCODE::IdnToNameprepUnicode

pub unsafe extern "C" fn IdnToNameprepUnicode(
    dwFlags: DWORD, 
    lpUnicodeCharStr: LPCWSTR, 
    cchUnicodeChar: c_int, 
    lpNameprepCharStr: LPWSTR, 
    cchNameprepChar: c_int
) -> c_int