算法导论 10.2-7

/* Assuming List with header and L is not empty */

List ReverseList( List L )
{
    Position CurrentPos, NextPos;

    NextPos = L->Next;
    L->Next = NULL;

    while ( NextPos != NULL )
    {
        CurrentPos = NextPos;
        NextPos = NextPos->Next;
        CurrentPos->Next = L->Next;
        L->Next = CurrentPos;
    }
}