C Hello World Program

Author Praveen

Jul 18, 2015

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Hello World Program:
We are going to learn a simple “Hello World” C program in this section. Also, all the program code will be explained in detail.

Code

#include <stdio.h>
int main()
{
/* Our first simple C basic program */
printf("Hello World! ");
getch();
return 0;
}   

Ouptut

Hello World!     

Explanation Of Hello World C Program:
Below are few commands and syntax used in C programming to write a simple Hello World program. Let’s see all the sections of this program line by line.

S.No	Command	Explanation
1	#include <stdio.h>	This is a preprocessor command that includes standard input output header file(stdio.h) from the C library before compiling a C program
2	int main()	This is the main function from where execution of any C program begins.
3	{	This indicates the beginning of the main function.
4	/*_some_comments_*/	whatever is given inside the command “/* */” in any C program, won’t be considered for compilation and execution.
5	printf(“Hello_World! “);	printf command prints the output onto the screen.
6	getch();	This command waits for any character input from keyboard.
7	return 0;	This command terminates C program (main function) and returns 0.
8	}	This indicates the end of the main function.

Tag : C Basic program, C Hello World Program, Code, Hello World, Programming language