int term_screen_new(term_screen **out, term_screen_write_fn write_fn, void *write_fn_data, term_screen_cmd_fn cmd_fn, void *cmd_fn_data) {
_cleanup_(term_screen_unrefp) term_screen *screen = NULL;
int term_screen_new(term_screen **out, term_screen_write_fn write_fn, void *write_fn_data, term_screen_cmd_fn cmd_fn, void *cmd_fn_data) {
_cleanup_(term_screen_unrefp) term_screen *screen = NULL;