long edit_find (long search_start, unsigned char *expr, int *len, long last_byte, int (*get_byte) (void *, long), void *data);
void edit_set_foreground_colors (unsigned long normal, unsigned long bold, unsigned long italic);
void edit_set_background_colors (unsigned long normal, unsigned long abnormal, unsigned long marked, unsigned long marked_abnormal, unsigned long highlighted);
void edit_set_cursor_color (unsigned long c);
void draw_options_dialog (Window parent, int x, int y);