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c									 c
c 		 Copyright (C) 1983, Silicon Graphics, Inc.		 c
c									 c
c  These coded instructions, statements, and computer programs  contain  c
c  unpublished  proprietary  information of Silicon Graphics, Inc., and  c
c  are protected by Federal copyright law.  They  may  not be disclosed  c
c  to  third  parties  or copied or duplicated in any form, in whole or  c
c  in part, without the prior written consent of Silicon Graphics, Inc.  c
c									 c
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      integer*4 XMAXSC
      integer*4 YMAXSC
      integer*4 RETRAC
      integer*2 BLACK
      integer*2 RED
      integer*2 GREEN
      integer*2 YELLOW
      integer*2 BLUE
      integer*2 MAGENT
      integer*2 CYAN
      integer*2 WHITE

c graphics libary header file


c maximum X and Y screen coordinates

      PARAMETER ( XMAXSC =	1023 )
      PARAMETER ( YMAXSC =	767 )

c approximate interval between retraces in milliseconds

      PARAMETER ( RETRAC =	33.333333 )

c names for colors in color map loaded by ginit()

      PARAMETER ( BLACK =	0 )
      PARAMETER ( RED =		1 )
      PARAMETER ( GREEN =	2 )
      PARAMETER ( YELLOW =	3 )
      PARAMETER ( BLUE =	4 )
      PARAMETER ( MAGENT =	5 )
      PARAMETER ( CYAN =	6 )
      PARAMETER ( WHITE =	7 )

c function declarations

      integer*2 gversi
      integer*4 clipli
      integer*4 clippo
      integer*4 endpic
      integer*4 endsel
      integer*4 genobj
      integer*4 gentag
      integer*2 getbuf
      logical getbut
      integer*2 getcmm
      integer*2 getcol
      integer*2 getdis
      integer*2 getfon
      integer*2 gethei
      integer*2 gethit
      logical getlsb
      integer*2 getlst
      integer*2 getlwi
      integer*2 getmap
      integer*2 getobj
      integer*2 getpla
      logical getres
      integer*2 gettex
      integer*2 getval
      integer*2 getwri
      logical isobj
      logical istag
      character*1 keyboa
      integer*2 qread
      integer*2 qtest
      integer*2 readpi
      integer*2 readRG
      integer*4 strwid