dnl From Jim Meyering.
-#serial 1
+#serial 3
AC_DEFUN(jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H,
[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
fi
])
])
+
+AC_DEFUN(jm_WINSIZE_IN_PTEM,
+ [AC_CHECK_HEADER([sys/ptem.h],
+ AC_DEFINE(WINSIZE_IN_PTEM, 1,
+ [Define if your system defines `struct winsize' in sys/ptem.h.]))
+ ]
+)