Add reference to POSIX.

[pspp] / doc / headers / sys_types.texi

diff --git a/doc/headers/sys_types.texi b/doc/headers/sys_types.texi
index a3ae4d58553936564a15d5ed169603d36baec8f1..6bbff9d41b1268a0a8d9892efe696c77a8e93394 100644 (file)
--- a/doc/headers/sys_types.texi
+++ b/doc/headers/sys_types.texi
@@ -1,6 +1,8 @@
 @node sys/types.h
 @section @file{sys/types.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/sys/types.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: