Function mem2chunk

libCacheSim/dataStructure/sparsepp/spp_dlalloc.h:777–777

// conversion from malloc headers to user pointers, and back
static SPP_FORCEINLINE void *chunk2mem(const void *p)       { return (void *)((char *)p + 2 * sizeof(size_t)); }
static SPP_FORCEINLINE mchunkptr mem2chunk(const void *mem) { return (mchunkptr)((char *)mem - 2 * sizeof(size_t)); }

// chunk associated with aligned address A
static SPP_FORCEINLINE mchunkptr align_as_chunk(char *A)    { return (mchunkptr)(A + align_offset(chunk2mem(A))); }