NAME
====
  vg_mouse_y() - return y-position (in pixels) of mouse


SYNOPSIS
========
  int vg_mouse_y(void)


DESCRIPTION
===========
  Returns the y-position of the mouse (0 to 199)
  or -1=mouse is not in the window


RETURN VALUE
============
  y-position of mouse or -1


SEE ALSO
========
  Index
  Understanding window and key
  vg_key_discard()
  vg_key_update()
  vg_key_pressed()
  vg_mouse_found()
  vg_mouse_x()
  vg_mouse_pressed()
  vg_mouse_speed()