pub unsafe extern "system" fn RtlUnicodeToCustomCPN(
    CustomCP: PCPTABLEINFO,
    CustomCPString: PCH,
    MaxBytesInCustomCPString: ULONG,
    BytesInCustomCPString: PULONG,
    UnicodeString: PWCH,
    BytesInUnicodeString: ULONG
) -> NTSTATUS