Win32 환경에서 Ctrl+C, Ctrl+CLOSE 제어

[출처] : http://blog.daum.net/aswip/6585109
#include <windows.h>
#include <stdio.h>

BOOL CtrlHandler(DWORD fdwCtrlType)
{
    switch (fdwCtrlType)
    {
        // Handle the CTRL+C signal.
        case CTRL_C_EVENT:
            printf("\nctrl+c\n");
            Beep(1000, 100);
            exit(1);
            return TRUE;

        // CTRL+CLOSE: confirm! that the user wants to exit.
        case CTRL_CLOSE_EVENT:
            printf("\nctrl+close\n");
            Beep(1500, 100);
            exit(1);
            return TRUE;

        // Pass other signals to the next handler.
        case CTRL_BREAK_EVENT:
        case CTRL_LOGOFF_EVENT:
        case CTRL_SHUTDOWN_EVENT:
        default:
            return FALSE;
    }
}

void main(void)
{
    BOOL fSuccess;

    fSuccess = SetConsoleCtrlHandler( (PHANDLER_ROUTINE) CtrlHandler, TRUE);

    if ( !fSuccess )
    {
        printf("Could not set control handler");
    }

    while ( true )
    {
        putchar('.');
        Sleep(1000);
    }
}