{{keywords>wiki library source code example reference}}
====== atexit ======

<code c>
    #include <stdlib.h>
    int atexit(void (*func)(void));
 </code>
===== Description =====
<code c>
       The atexit function registers the given function to be called at normal
       process termination
       
       atexit returns the value 0 if successful, otherwise it returns
       a nonzero value.
</code>
    
===== C Sourcecode Example =====
<code c>
#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */

#include <stdlib.h>
 
void ExitMessage( void )
{
  printf("atexit was called, this is the exit message\n");
}
 
int main( void )
{
  atexit(ExitMessage);

  printf("The ExitMessage will shown after this line\n");

  return 0;
}

</code>

==== output ====
    user@host:~/code-reference.com#  ./atexit 
    The ExitMessage will shown after this line
    atexit was called, this is the exit message