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//0x14 bytes (sizeof)
struct _MMFREE_POOL_ENTRY
{
    struct _LIST_ENTRY List;                                                //0x0
    ULONG Size;                                                             //0x8
    ULONG Signature;                                                        //0xc
    struct _MMFREE_POOL_ENTRY* Owner;                                       //0x10
};