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sizeof operator in c

mohamad wael — Thu, 26 Aug 2021 19:48:50 +0000

What is the sizeof operator?

The sizeof operator, returns the size of an expression, or of an object type in C. An expression is for example 1 + 2, an object is any region of memory, and a … Read More

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Conversion and operations on the non arithmetic data types in C

mohamad wael — Tue, 29 Dec 2020 04:49:07 +0000

What are the different C data types ?

The C standard groups its available types , in two large categories : the object types , and the function types .

The object types , in C are :

Integer

What is widening , truncation , promotion , and conversion between , the different C , arithmetic data types ?

mohamad wael — Wed, 23 Dec 2020 19:50:31 +0000

The arithmetic data types in C , are the integer types , such as int or unsigned long , and the floating point types , such as float , or long double .

Conversion of the integer types

What

What is char , signed char , unsigned char , and character literals in C ?

mohamad wael — Tue, 15 Dec 2020 18:22:04 +0000

What is char , unsigned char , and signed char ?

The char type in C , has a size of 1 byte . The size of a byte , as defined on a given machine , can be … Read More

The post What is char , signed char , unsigned char , and character literals in C ? first appeared on Twise Random.

What is a float , double , long double and a floating point literal in C ?

mohamad wael — Mon, 14 Dec 2020 20:49:42 +0000

What is float , double , long double ?

To store numbers in a computer , an algorithm must be used . The C standard does not specify the algorithm , or the encoding to be used , for … Read More

The post What is a float , double , long double and a floating point literal in C ? first appeared on Twise Random.

What is an enum in C ?

mohamad wael — Sun, 13 Dec 2020 18:19:08 +0000

An enum in C is used to enumerate things . For example , to enumerate the days of the week , such as Monday , Tuesday or Wednesday , or to enumerate error codes , such as OK or … Read More

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What is an identifier in c ?

mohamad wael — Thu, 19 Nov 2020 21:27:06 +0000

What is an identifier ?

An identifier , is used to denote an object type in C . An object in C is a region of memory , used for data storage .

int x ; /*
x is

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The compilation process of a c source file

mohamad wael — Wed, 18 Nov 2020 20:23:26 +0000

Compiling a C source file , into an executable program , involves multiple steps . They are as follow :

Preparation of the source files

The first step in compiling a C source file , is the preparation of the … Read More

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What is a character , wide character , and multibyte character in c ?

mohamad wael — Sun, 15 Nov 2020 15:20:01 +0000

Characters

A char is a region of memory , formed of bits , large enough to hold any character of the basic execution character set . A char is the encoding , of the basic execution character set .

C : source , execution , basic , and extended character sets

mohamad wael — Sat, 14 Nov 2020 15:41:51 +0000

There are two character sets in C . The first one is the source character set , which is the set of characters , in which a C source file , is written .

So the source character set … Read More

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