#ifndef _NTRTL_H
// rev
/**
* The RtlSetThreadSubProcessTag function sets the sub-process tag for the current thread.
*
* \param SubProcessTag Pointer to the tag value to set.
* \return The previous sub-process tag value.
*/
NTSYSAPI
PVOID
NTAPI
RtlSetThreadSubProcessTag(
_In_ PVOID SubProcessTag
);
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