@node stddef.h
@section @file{stddef.h}
-POSIX specification:@* @url{http://www.opengroup.org/susv3xbd/stddef.h.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/stddef.h.html}
Gnulib module: stddef
Portability problems not fixed by Gnulib:
@itemize
+@item
+Some platforms provide an @code{offsetof} macro that cannot be used in
+arbitrary expressions:
+Solaris 11 2010-11
+This problem can be worked around by parenthesizing the
+@code{offsetof} expression in the unlikely case you use it with
+@code{sizeof} or @samp{[]}.
@end itemize