--- xawtv-3.95/console/fbtools.h	2003-02-14 15:14:04.000000000 +0100
+++ xawtv-3.95/console/fbtools.h	2009-04-13 17:10:56.000000000 +0200
@@ -3,6 +3,9 @@
 #define FB_INACTIVE  2
 #define FB_ACQ_REQ   3
 
+#define PAGE_SIZE sysconf(_SC_PAGE_SIZE)
+#define PAGE_MASK (~(PAGE_SIZE - 1))
+
 /* info about videomode - yes I know, quick & dirty... */
 extern struct fb_fix_screeninfo   fb_fix;
 extern struct fb_var_screeninfo   fb_var;