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Regardless of the algorithm, you should write the code in a manner where you're not writing code over and over again.

If you look at your addItem() function (if you wrote it already), you should...

Before writing any code, did you draw on paper how a link list works, i.e. adding, removing, etc.? If not, you need to do that, and then take that visual on paper and translate it to code.

Most...

First, post the entire call to the function. We have no idea if the parameter you passed in is bogus or not, and everything relies on that parameter being valid. Note that your loop is wholly...