C Language: #endif Directive

This C tutorial explains how to use the #endif preprocessor directive in the C language.

Description

In the C Programming Language, the #endif directive closes off the following directives: #if, #ifdef, or #ifndef. When the #endif directive is encountered, preprocessing of the opening directive (#if, #ifdef, or #ifndef) is completed.

Syntax

The syntax for the #endif directive in the C language is:

#endif

Example

The following example shows how to use the #endif directive in the C language:

/* Example using #endif directive by TechOnTheNet.com */

#include <stdio.h>

#define WINDOWS 1

int main()
{
   printf("TechOnTheNet is a great ");

   #if WINDOWS
   printf("Windows ");
   #endif

   printf("resource.\n");

   return 0;
}

Here is the output of the executable program:

TechOnTheNet is a great Windows resource.