Add untested replicant framework

libXmd/src/Map.c

@@ -88,12 +88,16 @@ void *XmdMapSet (XmdMap *map, XmdMapKey key, void *value) {
 	return previous;
 }
 
-void XmdMapIterate (XmdMap *map, XmdMapIterator iterator) {
+void XmdMapIterate (XmdMap *map, XmdMapIterator iterator, void *clientData) {
 	for (Cardinal index = 0; index < map->capacity; index ++) {
 		XmdMapElement *element = map->data[index];
 		while (element != NULL) {
-			if(!iterator(map, element->key, element->value)) break;
-			element = element->sister;
+			XmdMapElement *sister = element->sister;
+			if (!iterator (
+				map,
+				element->key, element->value,
+				clientData)) break;
+			element = sister;
 		}
 	}
 }