--- ctexterns.h.orig	Tue Sep 29 22:38:23 1998
+++ ctexterns.h	Wed Sep 30 11:36:46 1998
@@ -87,7 +87,7 @@
 extern int length_of_year (int year);
 extern void lock_cursors (void);
 extern int monthlength (int month);
-extern void moon_data (long int seconds);
+extern void moon_data (time_t seconds);
 extern void moon_data_frame (void);
 extern void next_appt (int bi, int dpyflag);
 extern void nextmonth (void);