40 #define CELL_NEW(f, d) X_PFX(list_prepend) ((x_list *)(f), (d))
41 #define CELL_FREE(c)   X_PFX(list_free_1) (c)
46 X_PFX(hook_add) (x_list * lst, x_hook_function * fun, void *data) {  in X_PFX()  function
47     return X_PFX(list_prepend) (lst, CELL_NEW(fun, data));  in X_PFX()
51 X_PFX(hook_remove) (x_list * lst, x_hook_function * fun, void *data) {  in X_PFX()  function
58             to_delete = X_PFX(list_prepend) (to_delete, cell);  in X_PFX()
63         lst = X_PFX(list_remove) (lst, cell);  in X_PFX()
67     X_PFX(list_free) (to_delete);  in X_PFX()
72 X_PFX(hook_run) (x_list * lst, void *arg) {  in X_PFX()  function
89 X_PFX(hook_free) (x_list * lst) {  in X_PFX()  function
96     X_PFX(list_free) (lst);  in X_PFX()