#define OUTPUT_DRIVER_H 1
#include <stdbool.h>
+#include <stddef.h>
struct output_item;
struct string_set;
void output_submit (struct output_item *);
void output_flush (void);
+void output_set_title (const char *);
+void output_set_subtitle (const char *);
+void output_set_filename (const char *);
+
+char *output_get_command_name (void);
+
+size_t output_get_group_level (void);
+
void output_driver_parse_option (const char *option,
struct string_map *options);
struct output_driver *output_driver_create (struct string_map *options);