renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/avltree_foreach_lr.c

@@ -0,0 +1,17 @@
+#include "avltree.h"
+
+
+
+int avltree_foreach_lr(struct avlnode *n, int (*callback)(void *,void *),void *cbpriv)
+{
+	if (!n)
+		return 1;
+	if (!avltree_foreach_lr(n->left,callback,cbpriv))
+		return 0;
+	if (!callback(cbpriv,n->data))
+		return 0;
+	return avltree_foreach_lr(n->right,callback,cbpriv);
+
+}
+
+