48 struct AllocatorDispatch {  struct
49   using AllocFn = void*(const AllocatorDispatch* self,  argument
52   using AllocZeroInitializedFn = void*(const AllocatorDispatch* self,  argument
56   using AllocAlignedFn = void*(const AllocatorDispatch* self,  argument
60   using ReallocFn = void*(const AllocatorDispatch* self,  argument
64   using FreeFn = void(const AllocatorDispatch* self,  argument
71   using GetSizeEstimateFn = size_t(const AllocatorDispatch* self,  argument
74   using BatchMallocFn = unsigned(const AllocatorDispatch* self,  argument
79   using BatchFreeFn = void(const AllocatorDispatch* self,  argument
83   using FreeDefiniteSizeFn = void(const AllocatorDispatch* self,  argument
98   const AllocatorDispatch* next;  argument
103   static const AllocatorDispatch default_dispatch;  argument