--- xworm.c	Wed May  7 16:25:57 1997
+++ /home/andy/tmp/wrk/xworm.c	Wed Mar 18 23:40:39 1998
@@ -3,13 +3,20 @@
  
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+#ifdef __FreeBSD__
+#include <sys/time.h>
+#endif
 #include <time.h>
 #include <string.h>
 #include <stdio.h>
 
-#define gridfile "xworm.grid"
-#define fontfile "xworm.font"
-#define logofile "xworm.raw"
+#ifndef PREFIX
+#define PREFIX "."
+#endif
+
+#define gridfile PREFIX "/xworm.grid"
+#define fontfile PREFIX "/xworm.font"
+#define logofile PREFIX "/xworm.raw"
 
 #define maxQ 5000    /* max queue */
 #define NCOLORS 15   /* number of colours */