al_ustr_new_from_utf16 - Allegro 5 API

       Create  a new string containing a copy of the 0-terminated string s which must be encoded as UTF-16.  The
       string must eventually be freed with al_ustr_free(3alleg5).

       al_ustr_new_from_utf16 - Allegro 5 API

al_ustr_new(3alleg5)

Allegro reference manual                                                         al_ustr_new_from_utf16(3alleg5)

              #include <allegro5/allegro.h>

              ALLEGRO_USTR *al_ustr_new_from_utf16(uint16_t const *s)