free_atype
free_atype(choice->options[count], val);
free_atype(seq->fields[i], val);
free_atype(eltinfo, eltptr);
free_atype(seq->fields[j], val);
free_atype(ptrinfo->basetype, ptr);
free_atype(off->basetype, (char *)val + off->dataoff);
free_atype(opt->basetype, val);
free_atype(tag->basetype, val);