6 void set_message_timeout(long timeout);
7 void osd_printf(const char *fmt, ...);
8 void show_message(long timeout, float r, float g, float b, const char *fmt, ...);
9 void show_messagev(long timeout, float r, float g, float b, const char *fmt, va_list ap);
11 void print_text(float x, float y, float r, float g, float b, const char *fmt, ...);
12 void print_textv(float x, float y, float r, float g, float b, const char *fmt, va_list ap);