41 struct free_chunk {  struct
42 	free_chunk	*next;  argument
67 static free_chunk *sFreeChunks;
125 insert_chunk(free_chunk *newChunk)  in insert_chunk()
127 	free_chunk *chunk = (free_chunk *)sFreeChunks, *smaller = NULL;  in insert_chunk()
164 	free_chunk *chunk = sFreeChunks, *last = NULL;  in hoardSbrk()
180 		if (chunk->size > (size_t)size + sizeof(free_chunk)) {  in hoardSbrk()
183 			free_chunk *next = chunk->next;  in hoardSbrk()
185 			chunk = (free_chunk *)((addr_t)chunk + size);  in hoardSbrk()
304 	free_chunk *chunk = (free_chunk *)sFreeChunks, *last = NULL, *smaller = NULL;  in hoardUnsbrk()
319 				free_chunk *newChunk = (free_chunk *)ptr;  in hoardUnsbrk()
338 	free_chunk *newChunk = (free_chunk *)ptr;  in hoardUnsbrk()