Some dummy prompts using atexit() and getchar() C functions program example

 

 

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows XP Pro SP2

Header file: Standard

Additional library: none/default

Additional project setting: Set project to be compiled as C

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C Code (/TC)

Other info: none

To do: Some dummy prompts using atexit() and getchar() C functions program example

To show: How to use atexit() and getchar() C functions in C programming

 

 

// atexit() and getchar() usage

#include <stdlib.h>

#include <stdio.h>

 

// function prototypes...

void cleanup1(void);

void cleanup2(void);

 

void main(void)

{

// function call - atexit() - processes the specified function at exit.

atexit(cleanup2);

// another call

atexit(cleanup1);

// end of main

}

void cleanup1(void)

{

// dummy cleanup.....

printf("\nThis is a demonstration...\n");

printf("cleanup....\n");

printf("You computer is SHUTTING DOWN!!!");

getchar();

}

 

void cleanup2(void)

{

// another dummy cleanup...

printf("\nAnother cleanup...");

printf("\nWINDOWS 20000 is closing the entire program...");

printf("\nPlease WAIT...");

printf("\nSHUTTING DOWN IN PROGRESS...\n");

getchar();

}

 

Output example:

 

This is a demonstration...

cleanup....

You computer is SHUTTING DOWN!!!

Another cleanup...

WINDOWS 20000 is closing the entire program...

Please WAIT...

SHUTTING DOWN IN PROGRESS...

Press any key to continue . . .

 

 

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