RtlOemToUnicodeN - NtDoc

#ifndef _NTRTL_H

NTSYSAPI
NTSTATUS
NTAPI
RtlOemToUnicodeN(
    _Out_writes_bytes_to_(MaxBytesInUnicodeString, *BytesInUnicodeString) PWSTR UnicodeString,
    _In_ ULONG MaxBytesInUnicodeString,
    _Out_opt_ PULONG BytesInUnicodeString,
    _In_reads_bytes_(BytesInOemString) PCCH OemString,
    _In_ ULONG BytesInOemString
    );

#endif
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