February 2020
Beginner to intermediate
616 pages
15h 16m
English
Content preview from Practical C Programming
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Applying stringize and token-pasting operators
The stringize or hash symbol (#) can be used in a macro definition to convert the macro parameter into a string constant. You can imagine that the parameter is enclosed in double quotes and returned. It is also known as a token-concatenation operator.
The token-pasting operator (##) combines two parameters when used in a macro definition. That is, the two parameters on either side of each ## operator are joined into a single string. More precisely, it performs string concatenation on the two parameters to form a new string.
In this recipe, we will learn how to apply stringize and token-pasting operators in computing. The user is asked to specify a certain pizza size and their desired toppings ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.