printname
printname(childp);
printname(parentp);
printname(nlp);
printname(childp);
printname(childp);
printname(topsortnlp[ index ]);
printname(parentp);
printname(cycleheadp);
printname(tailp);
printname(cycleheadp);
printname(childp);
printname(cycleheadp);
printname(tailp->cnext);
printname(cycleheadp);
printname(parentp);
printname(parentp);
printname(memberp);
printname(parentp);
void printname(nltype *);
printname(np);
printname(np);
printname(parentp);
printname(parentp);
printname(childp);
printname(childp);
printname(memberp);
printname(thisparentp);
printname(thischildp);
printname(thatparentp);
printname(thatchildp);