void main()
{
      long x, y;
      int a, b, c, d;
      x = 5;
      y = 6;
      a = 7;
      b = 8;
      c = x + a;
      d = y + b;
      printf("c=x+a=%d, d=y+b=%d\n", c, d);
}


F:\Microsoft Visual Studio\MyProjects\gg\over.cpp(11) : error C2065: 'printf' : undeclared identifier