RtlQueryTagHeap - NtDoc

#ifndef _NTRTL_H

NTSYSAPI
PWSTR
NTAPI
RtlQueryTagHeap(
    _In_ PVOID HeapHandle,
    _In_ ULONG Flags,
    _In_ USHORT TagIndex,
    _In_ BOOLEAN ResetCounters,
    _Out_opt_ PRTL_HEAP_TAG_INFO TagInfo
    );

#endif
View code on GitHub