al_draw_justified_textf - Allegro 5 API

       Formatted  text  output,  using  a printf() style format string.  All parameters have the same meaning as
       with al_draw_justified_text(3alleg5) otherwise.

       al_draw_justified_textf - Allegro 5 API

al_draw_justified_text(3alleg5), al_draw_justified_ustr(3alleg5).

Allegro reference manual                                                        al_draw_justified_textf(3alleg5)

              #include <allegro5/allegro_font.h>

              void al_draw_justified_textf(const ALLEGRO_FONT *f,
                 ALLEGRO_COLOR color, float x1, float x2, float y,
                 float diff, int flags, const char *format, ...)