New AIX specific subdirs
diff --git a/Lib/plat-aix4/regen b/Lib/plat-aix4/regen
new file mode 100755
index 0000000..94016627
--- /dev/null
+++ b/Lib/plat-aix4/regen
@@ -0,0 +1,11 @@
+#! /bin/sh
+case `uname -sv` in
+'AIX 4'*)  ;;
+*)      echo Probably not on an AIX 4 system 1>&2
+        exit 1;;
+esac
+set -v
+h2py.py /usr/include/fcntl.h
+h2py.py /usr/include/sys/socket.h
+h2py.py -i '(u_long)' /usr/include/netinet/in.h
+h2py.py /usr/include/termios.h