40     memory_header   *next_free;  member
82                     (size_t) hdr->prev_free, (size_t) hdr->next_free);  in debug_header()
108         cur = cur->next_free;  in debug_chain()
143     if (hdr->prev_free != NULL && hdr->prev_free == hdr->next_free) {  in verify_header()
234         cur = cur->next_free;  in buffer_alloc_calloc()
262             cur->prev_free->next_free = cur->next_free;  in buffer_alloc_calloc()
264             heap.first_free = cur->next_free;  in buffer_alloc_calloc()
267         if (cur->next_free != NULL) {  in buffer_alloc_calloc()
268             cur->next_free->prev_free = cur->prev_free;  in buffer_alloc_calloc()
272         cur->next_free = NULL;  in buffer_alloc_calloc()
317     new->next_free = cur->next_free;  in buffer_alloc_calloc()
319         new->prev_free->next_free = new;  in buffer_alloc_calloc()
324     if (new->next_free != NULL) {  in buffer_alloc_calloc()
325         new->next_free->prev_free = new;  in buffer_alloc_calloc()
332     cur->next_free = NULL;  in buffer_alloc_calloc()
433         if (hdr->prev_free != NULL || hdr->next_free != NULL) {  in buffer_alloc_free()
435                 hdr->prev_free->next_free = hdr->next_free;  in buffer_alloc_free()
437                 heap.first_free = hdr->next_free;  in buffer_alloc_free()
440             if (hdr->next_free != NULL) {  in buffer_alloc_free()
441                 hdr->next_free->prev_free = hdr->prev_free;  in buffer_alloc_free()
446         hdr->next_free = old->next_free;  in buffer_alloc_free()
449             hdr->prev_free->next_free = hdr;  in buffer_alloc_free()
454         if (hdr->next_free != NULL) {  in buffer_alloc_free()
455             hdr->next_free->prev_free = hdr;  in buffer_alloc_free()
469         hdr->next_free = heap.first_free;  in buffer_alloc_free()