diff -ru cwidget-0.5.8/src/cwidget/curses++.h cwidget-0.5.8+iPhone/src/cwidget/curses++.h
--- cwidget-0.5.8/src/cwidget/curses++.h	2008-01-20 17:37:06.000000000 +0000
+++ cwidget-0.5.8+iPhone/src/cwidget/curses++.h	2009-07-07 07:28:31.000000000 +0000
@@ -22,6 +22,9 @@
 #ifndef CURSES_PLUSPLUS_H
 #define CURSES_PLUSPLUS_H
 
+#define _XOPEN_SOURCE
+#define _XOPEN_SOURCE_EXTENDED 1
+
 #include <string>
 #include <ncursesw/curses.h>
 
diff -ru cwidget-0.5.8/src/cwidget/style.h cwidget-0.5.8+iPhone/src/cwidget/style.h
--- cwidget-0.5.8/src/cwidget/style.h	2008-01-20 17:37:06.000000000 +0000
+++ cwidget-0.5.8+iPhone/src/cwidget/style.h	2009-07-07 07:28:42.000000000 +0000
@@ -20,6 +20,9 @@
 #ifndef STYLE_H
 #define STYLE_H
 
+#define _XOPEN_SOURCE
+#define _XOPEN_SOURCE_EXTENDED 1
+
 #include <ncursesw/curses.h>
 
 #include <cwidget/curses++.h>