This is tutorial on how pointers work in the C programming language. The tutorial is addressed at beginners. Rather than focusing a lot on the more technical aspects of pointers, and using complex examples, the tutorial focuses on a deeper understanding of the subject so that the issue is understood firmly. The tutorial assumes prior knowledge of C, such as assigning values to variables, compiling, printing to the screen and using comments, but it is not necessary. https://unixdigest.com/tutorials/pointers-in-c.html
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