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Doubly link list 1.0

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Doubly link list 1.0

Submitted By: balkrishna
Rating: starstarhalf star (Rate It)

Description:The code is for creating adding deleting printing
searching inserting... etc in doubly link list


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Screenshot

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Details

File Name:
22220.zip
Product homepage:
Order page:
Languages:
Unknown
Platforms:
Unknown
Release date:
2/7/2003
License:
Unknown
Size:
1 KB
Price/Fee (US$):
Unknown
Number of downloads:
18180

Comments (3)

very good starstarstarstarstar   Posted by: www.csd.uoc.gr on Thursday, January 30, 2003

efficient,simple code to understand

I need a help starstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstarstar   Posted by: ignacio on Saturday, February 22, 2003

Emmail me on how to insert from the head, tail and middle node from double linked list from algorithm

Absolutely Wrong piece of code.   Posted by: Padam J Singh on Wednesday, September 21, 2005

In the delete, the author does no validation at all:

ptr->llink->rlink=ptr->rlink;
ptr->rlink->llink=ptr->llink;

what if, ptr->llink is NULL?
what is, ptr->rrlink is NULL?

in both cases, you will be trying to dereference from a NULL pointer, a classic mistake.


To Simulate the point I am trying to make, add a node, then delete that same node.

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