diff -Naur bsd-finger-0.17/finger/finger.h bsd-finger-0.17/finger/finger.h
--- bsd-finger-0.17/finger/finger.h	1999-09-14 12:51:11.000000000 +0200
+++ bsd-finger-0.17/finger/finger.h	2002-05-23 19:24:05.000000000 +0200
@@ -39,6 +39,7 @@
 
 #include <pwd.h>
 #include <utmp.h>
+#include <time.h>
 
 /*
  * All unique persons are linked in a list headed by "head" and linkd