@section @code{ttyname_r}
@findex ttyname_r
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ttyname_r.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ttyname_r.html}
Gnulib module: ttyname_r
@item
This function is missing on some platforms:
NetBSD 3.0, mingw, BeOS.
+@item
+This function is not declared unless @code{_REENTRANT} is defined,
+on some platforms:
+HP-UX 11.
+@item
+This function has an incompatible declaration on some platforms:
+MacOS X 10.4, Solaris 11 2010-11 (when @code{_POSIX_PTHREAD_SEMANTICS} is not defined).
+@item
+This function ignores the size argument, thus overwriting memory after the
+buffer, on some platforms:
+OSF/1 5.1.
+@item
+This function refuses to do anything when the output buffer is less than 128
+bytes large, on some platforms:
+Solaris 11 2010-11.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function has an incompatible declaration on some platforms:
-MacOS X 10.4, Solaris 10 (when @code{_POSIX_PTHREAD_SEMANTICS} is not defined).
@end itemize