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       gl_setscreenoffset - set a memory offset for copyscreen


       #include <vgagl.h>

       void gl_setscreenoffset(int o);


       Set  the  offset  in  pixels  into  video  memory for copyscreen(3) and
       copyboxtocontext(3), copyboxfromcontext(3) and thus  allows  for  page-
       flipping.  Must  be  a  multiple  of the scanline width in bytes. It is
       reset to zero after the completion of copyscreen(3).


       svgalib(7),   vgagl(7),   svgalib.conf(5),   threedkit(7),   testgl(1),
       gl_copyboxfromcontext(3),   gl_copyboxtocontext(3),   gl_copyscreen(3),


       This manual page was edited  by  Michael  Weller  <eowmob@exp-math.uni->.  The  exact  source of the referenced demo as well as of the
       original documentation is unknown.

       It is very likely that both are at least to some extent are due to Harm
       Hanemaayer <>.

       Occasionally  this  might be wrong. I hereby asked to be excused by the
       original author and will happily accept any additions or corrections to
       this first version of the svgalib manual.