--- defines.h.orig	Tue Nov  6 14:33:50 2001
+++ defines.h	Tue Nov  6 14:34:20 2001
@@ -17,6 +17,7 @@
 #ifndef SLMON_DEFINES_H
 #define SLMON_DEFINES_H
 
+#include <sys/types.h>
 #include <stdlib.h>
 #include <time.h>
 #include <string.h>