239 typedef struct malloc_chunk* mchunkptr;  typedef
376 #define mem2chunk(mem) ((mchunkptr)((char*)(mem) - 2*SIZE_SZ))
412 #define next_chunk(p) ((mchunkptr)( ((char*)(p)) + ((p)->size & ~PREV_INUSE) ))
417    ((mchunkptr)( ((char*)(p)) - ((p)->prev_size) ))
422 #define chunk_at_offset(p, s)  ((mchunkptr)(((char*)(p)) + (s)))
434 ((((mchunkptr)(((char*)(p))+((p)->size & ~PREV_INUSE)))->size) & PREV_INUSE)
447 ((mchunkptr)(((char*)(p)) + ((p)->size & ~PREV_INUSE)))->size |= PREV_INUSE
450 ((mchunkptr)(((char*)(p)) + ((p)->size & ~PREV_INUSE)))->size &= ~(PREV_INUSE)
455  (((mchunkptr)(((char*)(p)) + (s)))->size & PREV_INUSE)
458  (((mchunkptr)(((char*)(p)) + (s)))->size |= PREV_INUSE)
461  (((mchunkptr)(((char*)(p)) + (s)))->size &= ~(PREV_INUSE))
484 #define set_foot(p, s)   (((mchunkptr)((char*)(p) + (s)))->prev_size = (s))
551 #define initial_top    ((mchunkptr)(bin_at(0)))
779 static void do_check_chunk(mchunkptr p)  in do_check_chunk()
781 static void do_check_chunk(p) mchunkptr p;  in do_check_chunk()
800 static void do_check_free_chunk(mchunkptr p)  in do_check_free_chunk()
802 static void do_check_free_chunk(p) mchunkptr p;  in do_check_free_chunk()
806   mchunkptr next = chunk_at_offset(p, sz);
833 static void do_check_inuse_chunk(mchunkptr p)  in do_check_inuse_chunk()
835 static void do_check_inuse_chunk(p) mchunkptr p;  in do_check_inuse_chunk()
838   mchunkptr next = next_chunk(p);
850     mchunkptr prv = prev_chunk(p);
865 static void do_check_malloced_chunk(mchunkptr p, INTERNAL_SIZE_T s)  in do_check_malloced_chunk()
867 static void do_check_malloced_chunk(p, s) mchunkptr p; INTERNAL_SIZE_T s;  in do_check_malloced_chunk()
982 static mchunkptr mmap_chunk(size_t size)  in mmap_chunk()
984 static mchunkptr mmap_chunk(size) size_t size;  in mmap_chunk()
988   mchunkptr p;
1002   p = (mchunkptr)mmap(0, size, PROT_READ|PROT_WRITE,
1010   p = (mchunkptr)mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
1013   if(p == (mchunkptr)-1) return 0;
1037 static void munmap_chunk(mchunkptr p)  in munmap_chunk()
1039 static void munmap_chunk(p) mchunkptr p;  in munmap_chunk()
1062 static mchunkptr mremap_chunk(mchunkptr p, size_t new_size)  in mremap_chunk()
1064 static mchunkptr mremap_chunk(p, new_size) mchunkptr p; size_t new_size;  in mremap_chunk()
1084   p = (mchunkptr)(cp + offset);
1121   mchunkptr old_top     = top;  /* Record state of old top */
1179     top = (mchunkptr)brk;
1289   mchunkptr victim;                  /* inspected/selected chunk */
1293   mchunkptr remainder;               /* remainder from a split */
1298   mchunkptr fwd;                     /* misc temp for linking */
1299   mchunkptr bck;                     /* misc temp for linking */
1561   mchunkptr p;         /* chunk corresponding to mem */
1565   mchunkptr next;      /* next contiguous chunk */
1568   mchunkptr bck;       /* misc temp for linking */
1569   mchunkptr fwd;       /* misc temp for linking */
1701   mchunkptr oldp;             /* chunk corresponding to oldmem */
1704   mchunkptr newp;             /* chunk to return */
1708   mchunkptr next;             /* next contiguous chunk after oldp */
1711   mchunkptr prev;             /* previous contiguous chunk before oldp */
1714   mchunkptr remainder;        /* holds split off extra space from newp */
1717   mchunkptr bck;              /* misc temp for linking */
1718   mchunkptr fwd;              /* misc temp for linking */
1931   mchunkptr p;                /* corresponding chunk */
1933   mchunkptr newp;             /* chunk to return */
1936   mchunkptr remainder;        /* spare room at end to split off */
2026     newp = (mchunkptr)brk;
2113   mchunkptr p;
2122   mchunkptr oldtop = top;
2284   mchunkptr p;
2310   mchunkptr p;  in malloc_update_mallinfo()
2312   mchunkptr q;  in malloc_update_mallinfo()