Re: Ordered Sorted List

[Matthijs Melchior <mmelchior@xs4all.nl>]

Nanakos Chrysostomos wrote:
> Hi ,all.Can someone please explain this source code with an example???
.....
> void slistInsert(slist *sp,int t)
> {
>         ListNode *n=(ListNode *)malloc(sizeof(ListNode));
>         if(n == NULL)
>         {
>                 printf("Out of memory\n");
>                 exit(1);
>         }
>         n->data = t;
>         while(*sp!=NULL && (*sp)->data < t)
>         {
>         	sp = &((*sp)->next);   // Why we do this here,i miss this point

This is done to move to the next item in the list.
The expression is complicated because 'sp' is a pointer to a pointer to
a structure.

>         }
>         n->next = *sp;
>         *sp = n;
> 
> }
> 
.....

-- 
Matthijs Melchior.