Sunday 11 July 2010

How to write, compile and run the c program

To write the first c program, open the C console and write the following code:

#include<stdio.h>
#include<conio.h>
void main()
{
 printf("Hello World");
 getch();
}

#include <stdio.h> includes the standard input output library functions. The printf() function is defined in stdio.h .

#include <conio.h> includes the console input output library functions. The getch() function is defined in conio.h file.

void main() The main() function is the entry point of every program in c language. The void keyword specifies that it returns no value.

printf() The printf() function is used to print data on the console.

getch() The getch() function asks for a single character. Until you press any key, it blocks the screen.

How to compile and run the c program

There are 2 ways to compile and run the c program, by menu and by shortcut.

By menu

Now click on the compile menu then compile sub menu to compile the c program.

Then click on the run menu then run sub menu to run the c program.

By shortcut

Or, press ctrl+f9 keys compile and run the program directly.

Output:
Hello World

You can view the user screen any time by pressing the alt+f5 keys.

Now press Esc to return to the turbo c console.

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