ArgL
ArgL(n) = _makearg(TypeL(t), ap, err);
ArgL(n) = _copyarg(TypeL(t), ArgL(arg), err);
_freearg(TypeL(t), ArgL(arg));
return (_checkfield(TypeL(t), f, ArgL(arg)) ||
return (_checkchar(TypeL(t), c, ArgL(arg)) ||
return (_nextchoice(TypeL(t), f, ArgL(arg)) ||
return (_prevchoice(TypeL(t), f, ArgL(arg)) ||