eclipse - beep() function in C++ "was not declared in scope" -

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i'm trying use c++ beep() function of windows.h in cdt. doesn't compile , throws error:

'beep' not declared in scope
function 'beep' not resolved here code: 

/*  * blahblah.cpp  *  *  created on: jan 28, 2016  *        */  #include <iostream> #include <windows.h> using namespace std;  int main(){     beep(523, 500);      //cin.get();     return 0; }

i'm using mingw on 64 bit win7 machine
thanks

the beep function begins capital b. c++ case-sensitive language.


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