K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2012-09-12T17:54:09.172400Z
K 7
svn:log
V 178
According to a clarification at http://austingroupbugs.net/view.php?id=503
ptsname may set errno, so avoid saving and restoring errno across the
function.

PR:		standards/171572

END