Accessing CCK using PHP in Drupal

I am looking for a drupal api / other mechanism to

Search CCK nodes for a specific field. (I am posting data from C# and want to update the Drupal pages based on that data)
Update that CCK node.

If it doesnt exist add a new CCK node.

Please kindly advise.

Any advise would be valued. If that is also feasible with nodes please advise.
Thanks and all the best,

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The method posted here,, and node_load, and node_save should be all you need.

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aboutadreamAuthor Commented:
Awesome, thanks.

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