#ifndef _NTRTL_H

/**
 * The RtlSetSystemGlobalData routine sets a system global data value.
 *
 * \param DataId The identifier of the system global data to set.
 * \param Buffer A buffer containing the data to set.
 * \param Size The size, in bytes, of the buffer.
 * \return The number of bytes written, or zero on failure.
 */
NTSYSAPI
ULONG
NTAPI
RtlSetSystemGlobalData(
    _In_ RTL_SYSTEM_GLOBAL_DATA_ID DataId,
    _In_ PVOID Buffer,
    _In_ ULONG Size
    );

#endif
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