55 	struct block	*next;  member
61 	struct page	*next;  member
111 		for (block = page->block; block; block = block->next) {  in defrag()
116 			for (block2 = block->next; block2 &&  in defrag()
117 			    block2->status == FREE; block2 = block2->next) {  in defrag()
118 				block->next = block2->next;  in defrag()
142 		newblock->next = block->next;  in split()
143 		block->next = newblock;  in split()
169 	for (page = memstart; page; page = page->next) {  in malloc()
170 		for (block = page->block; block; block = block->next) {  in malloc()
188 		page->next = memstart;  in malloc()
192 		block->next = 0;  in malloc()
236 	if (block->next && block->next->status == FREE) {  in realloc()
237 		block->size += block->next->size + HDR_BLOCK;  in realloc()
238 		block->next = block->next->next;  in realloc()
313 	page->next = memstart;  in addfree()
317 	block->next = 0;  in addfree()