RtlQueryHeapInformation - NtDoc

#ifndef _NTRTL_H

NTSYSAPI
NTSTATUS
NTAPI
RtlQueryHeapInformation(
    _In_opt_ PVOID HeapHandle,
    _In_ HEAP_INFORMATION_CLASS HeapInformationClass,
    _Out_opt_ PVOID HeapInformation,
    _In_opt_ SIZE_T HeapInformationLength,
    _Out_opt_ PSIZE_T ReturnLength
    );

#endif
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