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