--- autoconf.texi.~1.761.~	1970-01-01 10:00:01.000000000 +1000
+++ autoconf.texi	2003-10-09 13:56:23.000000000 +1000
@@ -3575,6 +3575,13 @@
 strnlen ("foobar", 9) = 6
 @end example
 
address@hidden @code{sysconf}
address@hidden @fuindex sysconf
address@hidden @code{sysconf}
address@hidden is standard, but some older systems (eg.@: HP-UX
+9) have @code{_SC_PAGE_SIZE} instead.  This can be tested with
address@hidden
+
 @item @code{unlink}
 @c @fuindex unlink
 @prindex @code{unlink}