Initial. Don't... just don't ask.

doc/man3/gl_hline.3

@@ -0,0 +1,47 @@
+.TH gl_hline 3 "9 Feb 2000" "Svgalib (>= 1.4.2)" "Svgalib User Manual"
+.SH NAME
+gl_hline \- draw a horizontal line
+
+.SH SYNOPSIS
+.B #include <vgagl.h>
+
+.BI "void gl_hline(int " x1 ", int " y ", int " x2 ", int " c );
+
+.SH DESCRIPTION
+Draw a horizontal line from point
+.RI ( x1 ", " y )
+to
+.RI ( x2 ", " y )
+in color
+.IR c .
+x1 must not be larger than x2. If x2<x1 the function does nothing.
+
+.SH SEE ALSO
+
+.BR svgalib (7),
+.BR vgagl (7),
+.BR svgalib.conf (5),
+.BR threedkit (7),
+.BR testgl (1),
+.BR plane (1),
+.BR wrapdemo (1),
+.BR gl_circle (3),
+.BR gl_clearscreen (3),
+.BR gl_fillbox (3),
+.BR gl_line (3),
+.BR gl_setpixel (3),
+.BR gl_setpixelrgb (3),
+.BR gl_setwritemode (3).
+
+.SH 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.