Monthly Archives: January 2016

Dangling Pointers

Posted on January 29, 2016 by Satya

Dangling pointers are those in the C programming language that do not point to valid objects. Pointers are like sharp knives that have tremendous power in C programming. When used properly, they reduce the complexity of the programs to a great extent. But when … Continue reading →

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Volatile Demystified

Posted on January 29, 2016 by Satya

Volatile is a qualifier in C, which is applied to a variable when it is declared. It is used extensively while writing programs for embedded systems, especially when dealing with hardware. The aim of this article is to give you an idea of how … Continue reading →

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Constant pointer and pointer constant

Posted on January 28, 2016 by Satya

Pointers have always been a complex topic to understand for those new to C programming. There will be more confusion for newbies when these terms are used along with some qualifiers like const in C programming. In this article, I will focus on the … Continue reading →

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Bit-fields Structure

Posted on January 28, 2016 by Satya

Embedded C programmers who have worked with structures should also be familiar with the use of bit fields structures. Use of bit fields is one of the key optimisation methods in embedded C programming, because these allow one to pack together several related entities, where … Continue reading →

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Operators

Posted on January 28, 2016 by Satya

In this topic we will study, how to get the address of the variable and also how to fetch the value present at that address by the application of the pointer operators. Example #1: Let us take definition of the … Continue reading →

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Faceoff with sizeof()

Posted on January 26, 2016 by Satya

In the C programming, the unary operator sizeof() returns the size of its operand in bytes.  The sizeof operator is thoroughly discussed in this article along with illustrative examples of code. Sizeof() is used extensively in the C programming language. … Continue reading →

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Pointers-Sharp Knives

Posted on January 26, 2016 by Satya

Introduction “A pointer in ‘C’ language is a special variable which contains the address of the other variable”. C is a very powerful language because of the pointers available in it, which is one of the unique feature supplied by the C … Continue reading →

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