bufimage return type is uchar*, not int
.

Reference: /n/sources/patch/applied/graphics-man-typo
Date: Sun Nov 30 02:03:47 CET 2008
Signed-off-by: iru.muzgo@gmail.com

--- /sys/man/2/graphics	Sun Nov 30 02:03:08 2008
+++ /sys/man/2/graphics	Sun Nov 30 02:03:03 2008
@@ -44,7 +44,7 @@
 int	flushimage(Display *d, int vis)
 .PP
 .B
-int	bufimage(Display *d, int n)
+uchar*	bufimage(Display *d, int n)
 .PP
 .B
 void	lockdisplay(Display *d)