Allegro 5 api
#include <allegro5/allegro.h> bool al_ustr_assign(ALLEGRO_USTR *us1, const ALLEGRO_USTR *us2)
Overwrite the string us1 with another string us2. Returns true on success, false on error.
al_ustr_assign_substr(3alleg5), al_ustr_assign_cstr(3alleg5)