void WaitDebuggerAttach(DWORD Second)
{
    DWORD CurSec = 0;
    while((!IsDebuggerPresent()) && (CurSec < Second)) {
        
        CurSec++;
        Sleep(1000);
    }

    if (IsDebuggerPresent()) {

        __asm int 3
    }
}
 

BOOL CheckForDebugger()
{
    __try 
    {
        DebugBreak();
    }
    __except(GetExceptionCode() == EXCEPTION_BREAKPOINT ? 
             EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) 
    {
        // No debugger is attached, so return FALSE 
        // and continue.
        return FALSE;
    }
    return TRUE;
}
 

printf("hello world!");