getpt - phpMan

GETPT(3)                   Linux Programmer’s Manual                  GETPT(3)



NAME
       getpt - open the pseudo-terminal master (PTM)

SYNOPSIS
       #include <stdlib.h>

       int getpt(void)

DESCRIPTION
       getpt()  opens  a  pseudo-terminal  master  and returns its file descriptor.  It is
       equivalent  to  open("/dev/ptmx",O_RDWR|O_NOCTTY)  on  Linux  systems,  though  the
       pseudo-terminal master is located elsewhere on some systems that use GNU Libc.


RETURN VALUE
       getpt()  returns  an open file descriptor upon successful completion. Otherwise, it
       returns -1 and sets errno to indicate the error.

CONFORMING TO
       getpt() is specific to GNU Libc.

SEE ALSO
       ptmx(4), grantpt(3), unlockpt(3), ptsname(3)



PTY Control                       2002-10-09                          GETPT(3)

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