Very Computer

1. TIOCGWINSZ ioctl doesn't/does work with telnet/rlogin session: why ?

There is this little program I have (with source) showing what I find to
be a puzzling behavior: at some point, it calls

        ioctl (STDIN_FILENO, TIOCGWINSZ, (char *) &size)

This call returns successfuly if I run the program from a session that
was initiated via rlogin, but will return an EINVAL, "Invalid argument"
error if the program is started from a telnet session. How can this be ?

I am running Solaris 2.4, and I would be grateful for any help (is there a
way to avoid this ?).

                                        Martin

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Ecole Polytechnique Fdrale - Lausanne - Swiss Federal Institute of Technology
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