864 typedef struct malloc_chunk* mchunkptr;  typedef
1010 #define mem2chunk(mem) ((mchunkptr)((char*)(mem) - 2*SIZE_SZ))
1046 #define next_chunk(p) ((mchunkptr)( ((char*)(p)) + ((p)->size & ~PREV_INUSE) ))
1051    ((mchunkptr)( ((char*)(p)) - ((p)->prev_size) ))
1056 #define chunk_at_offset(p, s)  ((mchunkptr)(((char*)(p)) + (s)))
1068 ((((mchunkptr)(((char*)(p))+((p)->size & ~PREV_INUSE)))->size) & PREV_INUSE)
1081 ((mchunkptr)(((char*)(p)) + ((p)->size & ~PREV_INUSE)))->size |= PREV_INUSE
1084 ((mchunkptr)(((char*)(p)) + ((p)->size & ~PREV_INUSE)))->size &= ~(PREV_INUSE)
1089  (((mchunkptr)(((char*)(p)) + (s)))->size & PREV_INUSE)
1092  (((mchunkptr)(((char*)(p)) + (s)))->size |= PREV_INUSE)
1095  (((mchunkptr)(((char*)(p)) + (s)))->size &= ~(PREV_INUSE))
1118 #define set_foot(p, s)   (((mchunkptr)((char*)(p) + (s)))->prev_size = (s))
1189 #define initial_top    ((mchunkptr)(bin_at(0)))
1374 static void do_check_chunk(mchunkptr p)  in do_check_chunk()
1391 static void do_check_free_chunk(mchunkptr p)  in do_check_free_chunk()
1394   mchunkptr next = chunk_at_offset(p, sz);  in do_check_free_chunk()
1420 static void do_check_inuse_chunk(mchunkptr p)  in do_check_inuse_chunk()
1422   mchunkptr next = next_chunk(p);  in do_check_inuse_chunk()
1434     mchunkptr prv = prev_chunk(p);  in do_check_inuse_chunk()
1448 static void do_check_malloced_chunk(mchunkptr p, INTERNAL_SIZE_T s)  in do_check_malloced_chunk()
1564 static mchunkptr mmap_chunk(size_t size)  in mmap_chunk()
1567   mchunkptr p;  in mmap_chunk()
1581   p = (mchunkptr)mmap(0, size, PROT_READ|PROT_WRITE,  in mmap_chunk()
1589   p = (mchunkptr)mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);  in mmap_chunk()
1592   if(p == (mchunkptr)-1) return 0;  in mmap_chunk()
1623 STATIC void munmap_chunk(mchunkptr p)  in munmap_chunk()
1644 extern void munmap_chunk(mchunkptr);
1652 static mchunkptr mremap_chunk(mchunkptr p, size_t new_size)  in mremap_chunk()
1671   p = (mchunkptr)(cp + offset);  in mremap_chunk()
1712   mchunkptr old_top     = top;  /* Record state of old top */  in malloc_extend_top()
1780     top = (mchunkptr)brk;  in malloc_extend_top()
1900   mchunkptr victim;                  /* inspected/selected chunk */  in mALLOc()
1904   mchunkptr remainder;               /* remainder from a split */  in mALLOc()
1909   mchunkptr fwd;                     /* misc temp for linking */  in mALLOc()
1910   mchunkptr bck;                     /* misc temp for linking */  in mALLOc()
2194   mchunkptr p;         /* chunk corresponding to mem */  in fREe()
2198   mchunkptr next;      /* next contiguous chunk */  in fREe()
2201   mchunkptr bck;       /* misc temp for linking */  in fREe()
2202   mchunkptr fwd;       /* misc temp for linking */  in fREe()
2345   mchunkptr oldp;             /* chunk corresponding to oldmem */  in rEALLOc()
2348   mchunkptr newp;             /* chunk to return */  in rEALLOc()
2352   mchunkptr next;             /* next contiguous chunk after oldp */  in rEALLOc()
2355   mchunkptr prev;             /* previous contiguous chunk before oldp */  in rEALLOc()
2358   mchunkptr remainder;        /* holds split off extra space from newp */  in rEALLOc()
2361   mchunkptr bck;              /* misc temp for linking */  in rEALLOc()
2362   mchunkptr fwd;              /* misc temp for linking */  in rEALLOc()
2592   mchunkptr p;                /* corresponding chunk */  in mEMALIGn()
2594   mchunkptr newp;             /* chunk to return */  in mEMALIGn()
2597   mchunkptr remainder;        /* spare room at end to split off */  in mEMALIGn()
2651     newp = (mchunkptr)brk;  in mEMALIGn()
2745   mchunkptr p;  in cALLOc()
2751   mchunkptr oldtop;  in cALLOc()
2937   mchunkptr p;  in malloc_usable_size()
2970   mchunkptr p;  in malloc_update_mallinfo()
2972   mchunkptr q;  in malloc_update_mallinfo()