From:	westlin AT msi DOT se (Erik Westlin)
Subject:	terminal telnet processing
14 Jan 1999 10:39:23 -0800 :
Message-ID:	<369DB587.3B60.cygnus.gnu-win32@msi.se>
Reply-To:	westlin AT msi DOT se
Mime-Version:	1.0
To:	gnu-win32 AT cygnus DOT com

I would like to run a character based program on a nt4
via telnet from vt320 terminals. The program has to be 
able to read characters one at a time. You know it has
to respond without pressing <enter>. The telnet server
compiled with cygwin doesn't work.
But i have had partial success with the one from ataman
if i compile the program with cygwin using the
code i found in the unix faq for doing this kind of
processing.

    void set_keypress(void)
     {
         struct termios new;
     
         tcgetattr(0,&stored);
     
         memcpy(&new,&stored,sizeof(struct termios));
     
         /* Disable canonical mode, and set buffer size to 1 byte */
         new.c_lflag &= (~(ICANON|ECHO));

         new.c_cc[VTIME] = 0;
         new.c_cc[VMIN] = 1;
     
         tcsetattr(0,TCSANOW,&new);
         return;
     }
     
However it has problems with certain long terminal escape sequences
like the one for F11
it should be <esc>[23~
but instead the program reads <esc><esc>[2~~
shorter sequences work alright.


------------------------------------------------------------------------

       Erik Westlin                   Manne Siegbahn Laboratory
       email: westlin AT msi DOT se
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