v7 man page for gl_setscreenoffset

gl_setscreenoffset(3)						Svgalib User Manual					     gl_setscreenoffset(3)

NAME
       gl_setscreenoffset - set a memory offset for copyscreen

SYNOPSIS
       #include <vgagl.h>

       void gl_setscreenoffset(int o);

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

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

AUTHOR
       This  manual  page  was	edited by Michael Weller <eowmob@exp-math.uni-essen.de>. 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 <H.Hanemaayer@inter.nl.net>.

       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.

Svgalib (>;= 1.2.11)						    2 Aug 1997						     gl_setscreenoffset(3)