Directory containing include files for OpenGL (3-D graphics
    library) program development

1 - GL.H

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

2 - GLU.H

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

3 - GLUT.H

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

4 - GLWDRAWA.H

    Include file for OpenGL (3-D graphics library) applications
    using Motif widget drawing areas

5 - GLWMDRAWA.H

    Include file for OpenGL (3-D graphics library) applications
    using Motif widget drawing areas (includes glwdrawa.h)

6 - GLX.H

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

7 - GLXDECPROTO.H

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

8 - GLXINT.H

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

9 - GLXMD.H

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

10 - GLXPROTO.H

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

11 - GLXTOKENS.H

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