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ptem(7)
NAME
  ptem - Null STREAMS module for pseudoterminal emulation

DESCRIPTION
  The ptem module is a null STREAMS module that DIGITAL UNIX provides to
  applications for use in place of the AT&T System V Release 4 ptem module.
  The AT&T System V Release 4 ptem module emulates a pseudoterminal when used
  in conjunction with a line discipline and a pty device driver.  In DIGITAL
  UNIX, all of the AT&T ptem functions are included in the pty slave device
  driver.

  The client process pushes the null ptem module onto the slave side of the
  pty device stream below the ldterm module by a call to the STREAMS I_PUSH
  ioctl() function.

RELATED INFORMATION
  Commands: stty(1)
  Functions: ioctl(2)
  Interfaces: ldterm(7), pckt(7), streamio(7).