@SuppressWarnings("unused")
@Specialization
protected RList c(String f, RArgsValuesAndNames args, byte naok, byte dup, RMissing rPackage, RMissing encoding) {
controlVisibility();
Object[] argValues = args.getValues();
SymbolInfo symbolInfo = DLL.findSymbolInfo(f, null);
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(getEncapsulatingSourceSection(), RError.Message.C_SYMBOL_NOT_IN_TABLE, f);
}
boolean dupArgs = RRuntime.fromLogical(dup);