old                37 usr/lib/prex/malloc/realloc.c 	struct header *p, *old;
old                43 usr/lib/prex/malloc/realloc.c 	old = (struct header *)addr - 1;
old                45 usr/lib/prex/malloc/realloc.c 	if (old->magic != MALLOC_MAGIC)
old                48 usr/lib/prex/malloc/realloc.c 	old_size = old->size - sizeof(struct header);