Understanding Strict-Aliasing Rules
The strict-aliasing rules allow the compiler to assume that your code does not alias between incompatible types. In this way, the compile...
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A Trick You May Not Know And You Shouldn't Even Use
In this dev tip, we talk about a swapping the index and the identifier of an array in C. We see how to swap the index and the array name.
C-Christmas tree
It's Christmas time 🎄 and what could be nicer than programming a Christmas tree in C with lights that fade in and out?. Or just talk abou...
The Difference Between char str* And char str[]
When we define str_1, the compiler creates a character array large enough to hold the string "hello world", which is an immutable string ...
Effectively Use extern To Share Global Variables
The cleanest and most reliable way to export a global variable is to put an extern declaration inside a header file. This way, when a sou...
How To Cast The Result Of malloc
A question that often arises when allocating a new block of memory in C is: should I cast the result of malloc or not?
Don't Use feof() To Control A File Read Loop
How do you successfully create a file reading loop by checking if you have reached the end of the file? In C the function feof checks for...
Understand All Declarations With The Clockwise-Spiral Rule
The Clockwise-Spiral Rule is a must-have tool that lets C/C++ programmers quickly understand the meaning of variable or function declarat...
The Meaning Of argc And argv In main()
The input parameters argc and argv are used to send arguments to a program. The program receives arguments thanks to argv, which is a poi...