+
+#define map_get(m,k) map_getg(m,k==*((typeof(k)*)&m[i]))
+#define map_getr(m,k) map_getg(m,k==*(((typeof(k)*)&m[i+1])-1))
+#define map_getk(m,k,a) map_getg(m,k==m[i].a)
+
+/* Linked lists */
+typedef struct list {
+ struct list *prev;
+ struct list *next;
+ void *data;
+} list_t;
+
+list_t *list_insert(list_t *after, void *data);
+
+void list_insert_after(list_t *after, void *data);
+
+list_t *list_append(list_t *before, void *data);
+
+list_t *list_remove(list_t *head, list_t *item, int freedata);
+
+int list_length(list_t *item);
+
+list_t *list_last(list_t *list);
+
+list_t *list_find(list_t *list, void *data);
+
+list_t *list_sort(list_t *list, int rev, int (*func)(void*,void*));
+
+/* Misc */
+int str2num(char *str, int def);
+
+int error(char *fmt, ...);