C language tutorial

language tutorial

C language is a generic, procedural computer programming language. In 1972, in order to transplant and develop the UNIX operating system, Dennis Ritchie in Bell telephone lab design and development of the C language.
C language is a widely used computer language, which is as popular as the Java programming language, both of which are widely used among modern software programmers.
The current latest C language standard for C11, before its C language standard for C99.
Who is suitable for reading this tutorial?
This tutorial is designed for software programmers who need to learn C from scratch. This tutorial will give you an idea of ​​the C language to enhance your own level of expertise.
Before you read this tutorial, you need to know the knowledge:
Before you start this tutorial, you need a basic understanding of computer programming terminology. A basic understanding of any programming language will help you understand the C language programming concepts and help speed your learning progress.
Compile / execute C program


#include < stdio.h >
Int main ( ) 
{ / * my first C program * / 
printf ( Hello, World! N ) ;
return 0 ;
Example Analysis:
·         All C language programs need to include the main () function. The code starts from the main () function.
·         / * … * / for annotations.
·         Printf () is used to format the output to the screen. The printf () function is declared in the “stdio.h” header file.
·         Stdio.h is a header file (standard input and output header file), #include is a preprocessing command, used to introduce the header file. When the compiler encounters the printf () function , a compile error occurs if the stdio.h header file is not found .

·         Return 0; statement is used to indicate exit procedure.

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