al_ustr_new_from_buffer - Allegro 5 API

       Create  a  new  string  containing  a copy of the buffer pointed to by s of the given size in bytes.  The
       string must eventually be freed with al_ustr_free(3alleg5).

       al_ustr_new_from_buffer - Allegro 5 API

al_ustr_new(3alleg5)

Allegro reference manual                                                        al_ustr_new_from_buffer(3alleg5)

              #include <allegro5/allegro.h>

              ALLEGRO_USTR *al_ustr_new_from_buffer(const char *s, size_t size)