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+@node forkpty
+@subsection @code{forkpty}
+@findex forkpty
+
+Gnulib module: pty
+
+Portability problems fixed by Gnulib:
+@itemize
+@item
+One some systems (at least including Cygwin, Interix, OSF/1 4 and 5,
+and Mac OS X) linking with @code{-lutil} is not required.
+@item
+On glibc, OpenBSD, NetBSD and FreeBSD linking with @code{-lutil} is
+required.
+@item
+The function is declared in pty.h on Cygwin, Interix, OSF/1 4 and 5,
+and glibc. It is declared in util.h on Mac OS X, OpenBSD and NetBSD.
+It is declared in libutil.h on FreeBSD.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+On some systems (at least including Solaris and HP-UX) the function is
+missing.
+@end itemize