bool hasForm(Obj expr, char* form) { return cmpForm(specialForm(expr), form); }
bool isQuit(Obj expr) { return GETTAG(expr) == NAME && cmpForm(GETNAME(expr), QUIT_COMMAND); }
bool hasForm(Obj expr, char* form) { form_check_count++; return cmpForm(specialForm(expr), form); }