Function GetAllocPtr

library/cpp/lfalloc/lf_allocX64.h:1318–1320

static_assert(sizeof(TAllocHeader) == 16);

static inline void* GetAllocPtr(TAllocHeader* p) {
    return p + 1;
}

static inline TAllocHeader* GetAllocHeader(void* p) {
    return ((TAllocHeader*)p) - 1;