Set Console Ctrl Handler in Windows

SetConsoleCtrlHandler.c

/*
 * filename: SetConsoleCtrlHandler.c
 * description: 
 *     This is a example of the SetConsoleCtrlHandler function that is used to
 *     install a control handler.
 *     via http://msdn.microsoft.com/en-us/library/ms685049(v=VS.85).aspx
 * author: uhziel([email protected])
 * history:
 * version  date        ps
 * -------  ----------  --------------------------------
 * 1.00     2010-04-29  create the file.
 */

#include <stdio.h>
#include <windows.h>

BOOL CtrlHandler(DWORD fdwCtrlType);

int main(int argc, char *argv[])
{
	if(SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE))
	{
		printf("the control handler is installed.\n");
		printf("-- now try  pressing Ctrl+C or Ctrl+Break, or\n");
		printf("   try closing me or logging off.\n");
		printf("...waiting in a loop for events...\n");

		while(1) {}
	}
	else
	{
		printf("ERROR: could not set control handler.\n");
	}

	return 0;
}

BOOL CtrlHandler(DWORD fdwCtrlType)
{
	switch (fdwCtrlType)
	{
		/* handle the CTRL-C signal */
		case CTRL_C_EVENT:
			printf("CTRL-C event\n");
			Beep(750, 300);
			return TRUE;

		/* handle the CTRL-BREAK signal */
		case CTRL_BREAK_EVENT:
			printf("CTRL-BREAK event\n");
			Beep(900, 200);
			return TRUE;

		/* handle the CTRL-CLOSE signal */
		case CTRL_CLOSE_EVENT:
			printf("CTRL-CLOSE event\n");
			Beep(600, 200);
			return TRUE;

		/* handle the CTRL-LOGOFF signal */
		case CTRL_LOGOFF_EVENT:
			printf("CTRL-LOGOFF event\n");
			Beep(1000, 200);
			return TRUE;

		/* handle the CTRL-SHUTDOWN signal */
		case CTRL_SHUTDOWN_EVENT:
			printf("CTRL-SHUTDOWN event\n");
			Beep(750, 500);
			return TRUE;

		default:
			return FALSE;
	}
}