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@node ttyname_r
@section @code{ttyname_r}
@findex ttyname_r
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ttyname_r.html}
Gnulib module: ttyname_r
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
NetBSD 3.0, Minix 3.1.8, mingw, MSVC 9, 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
@end itemize
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