for (Con *child = (Con*)-1; (child == (Con*)-1) && ((child = 0), true);) \
TAILQ_FOREACH(child, &((head)->nodes_head), nodes)
+#define NODES_FOREACH_REVERSE(head) \
+ for (Con *child = (Con*)-1; (child == (Con*)-1) && ((child = 0), true);) \
+ TAILQ_FOREACH_REVERSE(child, &((head)->nodes_head), nodes_head, nodes)
+
/* greps the ->nodes of the given head and returns the first node that matches the given condition */
#define GREP_FIRST(dest, head, condition) \
NODES_FOREACH(head) { \