--- logtool/includes.h.orig	Sat Dec 30 20:19:32 2000
+++ logtool/includes.h	Sat Dec 30 20:40:09 2000
@@ -23,6 +23,7 @@
 #include<stdlib.h>
 #include<string.h>
 #include<getopt.h>
+#include<unistd.h>
 #include<regex.h>
 #include<errno.h>