prototype for mciSendString,sleep,beep

[nagarajr]

prototype for mciSendString,s leep,beep. unable to open include windows.h,mmsys tem.h error. is this syntax correct using namespace std;


#include <iostream>
#include <windows.h> // Sleep()
#include <mmsystem.h> // mciSendString()

using namespace std; // std::cout, std::cin

int main()
{
mciSendString(" open CDAudio", NULL, 0, NULL);
Beep(440,1000);
cout << "Opening CD-ROM door ..." << endl;
mciSendString(" set CDAudio door open", NULL, 0, NULL);

cout << "Closing the CD-ROM door in 5 seconds ..." << endl;
Sleep(5000);
mciSendString(" set CDAudio door closed", NULL, 0, NULL);

mciSendString(" close CDAudio", NULL, 0, NULL);

cin.get(); // wait
return 0;
}

[weaknessforcats]

This is a code error:

#include <windows.h> // Sleep() 
#include <mmsystem.h> // mciSendString()

There is no // Sleep() precompiler directive.

Lines beginning with # are precompiler only. You can't add stuff like comments. Everything on those # lines must be valid precompiler code.