#ifndef _NTRTL_H

typedef struct _HEAP_REGION_INFORMATION
{
    PVOID Address;
    SIZE_T ReserveSize;
    SIZE_T CommitSize;
    ULONG_PTR FirstRangeInformationOffset;
    ULONG_PTR NextRegionInformationOffset;
} HEAP_REGION_INFORMATION, *PHEAP_REGION_INFORMATION;

#endif
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