February 2020
Beginner to intermediate
616 pages
15h 16m
English
Content preview from Practical C Programming
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How it works...
Four macros, called Qty, FestivalOffer, DiscountCoupon, and Kindle, are defined with the values of 10, 2, 5, and 2, respectively. The user is prompted to enter the price of a book. The value entered by the user is assigned to the variable price. The #if, #elif, #else, and #endif conditional directives are then used to determine the amount of discount to be applied to the books depending on the value of the Qty macro. Because, the current value of the Qty macro is 10, the value of the discount variable will be set to 15 through the preprocessor directives. The value of the discount variable can be changed at any time simply by changing the value of the Qty macro. The total number of the books is computed by multiplying the ...
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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.