Rob van Aarle wrote: > with these relevant comments: > 'XptyStartProgram' allocates a pty (pseudo terminal) (either > by calling system function '_getpty' (if source is compiled > with GETPTY defined)) or by trying to open devices /dev/ptyxy > (master) and /dev/ttyxy (slave) (where "x" is one of the > characters "pqrstuvwxyz", "y" is one of the characters > "0123456789abcdef").
This is the old traditional BSD way of allocating ptys. However, I believe that Cygwin only supports the newer Unix98 method. Instead of searching for a free device, you just open /dev/ptmx and you are assigned a file descriptor for the master. Then you call ptsname() to get the pathname of the slave, and then open it. I'm sure if you do a little googling (or searching through Cygwin sources for e.g. rxvt or xterm) you can find some code snippets of how this is done. Brian -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
