Add reference to POSIX.

[pspp] / doc / headers / sys_uio.texi

diff --git a/doc/headers/sys_uio.texi b/doc/headers/sys_uio.texi
index edda1901b30a6219d777dc46bf703f87a4d2eb57..2529550f786740731318fbc521db8c4c867e61b7 100644 (file)
--- a/doc/headers/sys_uio.texi
+++ b/doc/headers/sys_uio.texi
@@ -1,6 +1,8 @@
 @node sys/uio.h
 @section @file{sys/uio.h}
 
+POSIX specification: @url{http://www.opengroup.org/susv3xbd/sys/uio.h.html}
+
 Gnulib module: ---
 
 Portability problems fixed by Gnulib: