void insertNodelist(nodelist_t *list, Agnode_t *cn, Agnode_t *neighbor, int pos)
void realignNodelist(nodelist_t *list, nodelistitem_t *np)
nodelist_t * cloneNodelist(nodelist_t *list)
nodelist_t * mkNodelist()
void reverseAppend(nodelist_t *l1, nodelist_t *l2)
int sizeNodelist(nodelist_t *list)
int node_position(nodelist_t *list, Agnode_t *n)
void freeNodelist(nodelist_t *list)
void appendNodelist(nodelist_t *list, nodelistitem_t *one, Agnode_t *n)
nodelist_t * reverseNodelist(nodelist_t *list)