--- pstring.h.orig	Fri Feb 16 18:46:13 2001
+++ pstring.h	Fri Feb 16 18:45:20 2001
@@ -21,6 +21,7 @@
 #ifndef PSTRING_H
 #define PSTRING_H
 
+#include <sys/types.h>
 #include <regex.h>
 
 #include <pool.h>
