RtlByteToChar - NtDoc

#ifndef _NTINTSAFE_H_INCLUDED_
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES)

//
// BYTE -> CHAR conversion
//
__forceinline
NTSTATUS
RtlByteToChar(
    _In_ BYTE bOperand,
    _Out_ _Deref_out_range_(==, bOperand) CHAR* pch)
{
#ifdef _CHAR_UNSIGNED
    *pch = (CHAR)bOperand;
    return STATUS_SUCCESS;
#else
    return RtlByteToInt8(bOperand, (INT8*)pch);
#endif
}

#endif
#endif
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