node_t *new_node = NULL;
node_copy(node_t *this_node) {	node_t *new_node = NULL;	if(this_node == NULL) {		print_node("Failed copy of", this_node, TRUE);		return NULL;	}	new_node = crm_malloc(sizeof(node_t));	new_node->weight = this_node->weight; 	new_node->fixed  = this_node->fixed;	new_node->details = this_node->details; 	return new_node;}