DT_ACT_TRUNC
case DT_ACT_TRUNC:
ap->dtad_arg = DT_ACT_TRUNC;
ap->dtad_arg = DT_ACT_TRUNC;
if (rec->dtrd_arg != DT_ACT_TRUNC)
case DT_ACT_TRUNC:
{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN,