Directory containing include files for OpenGL (3-D graphics
    library) program development. This version of the directory
    contains support for OpenGL Version 1.2 program development.

1 - GL.H

    Basic include file to support all OpenGL (3-D graphics library)
    applications

2 - GLEXT.H

   This file is included in the latest system build, but
   a description of the file is not available.

3 - GLU.H

    Include file for OpenGL (3-D graphics library) applications
    using complex polygons or NURBS curves and surfaces

4 - GLUT.H

    Include file for OpenGL (3-D graphics library) support

5 - GLX.H

    Include file for OpenGL (3-D graphics library) containing
    HP specific definitions for the OpenGL/X11 interface (GLX)

6 - GLXINT.H

    Include file for OpenGL (3-D graphics library) containing GLX
    visual definitions

7 - GLXMD.H

    Include file for OpenGL (3-D graphics library) containing
    machine-dependent definitions for OpenGL

8 - GLXPROTO.H

    Include file for OpenGL (3-D graphics library) containing
    definitions for the OpenGL/X11 interface (GLX)

9 - GLXTOKENS.H

    Include file for OpenGL (3-D graphics library) containing
    definitions related to protocol