14 struct link {  struct
15 	struct link *prev;  argument
16 	struct link *next;  argument
29 	struct link *l, *l2;  in afreeall()
38 #define L2P(l)	( (void *)(((char *)(l)) + sizeof(struct link)) )
39 #define P2L(p)	( (struct link *)(((char *)(p)) - sizeof(struct link)) )
44 	struct link *l;  in alloc()
47 	if (size > SIZE_MAX - sizeof(struct link))  in alloc()
50 	l = malloc(sizeof(struct link) + size);  in alloc()
85 	struct link *l, *l2, *lprev, *lnext;  in aresize()
91 	if (size > SIZE_MAX - sizeof(struct link))  in aresize()
98 	l2 = realloc(l, sizeof(struct link) + size);  in aresize()
114 	struct link *l;  in afree()