int pascal RectContainsPoint(RECT r, int row, int col)

  This function checks if the coordinates <row,col> are contained
within a rectangle.

Parameters
  r is the rectangle to test. Note that we pass the entire rectangle
   structure, not a pointer to it.
  row and col are the coordinates of a point to test.

Returns
  TRUE if the point is contained within the rectangle, FALSE if not.