XA *)ERROR_PTR("pixa not defined", procName, NULL);     if (!pixa->boxa)         return (BOXA *)ERROR_PTR("boxa not defined", procName, NULL);     if (accesstype != L_COPY && accesstype != L_CLONE &&         accesstype != L_COPY_CLONE)         return (BOXA *)ERROR_PTR("invalid accesstype", procName, NULL);      