10-06-2011
Does DOS has a terminal or pseudo terminal?
I am wondering if the DOS console works like the unix terminal?
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LEARN ABOUT HPUX
posix_openpt
posix_openpt(3C) posix_openpt(3C)
NAME
posix_openpt() - open a pseudo-terminal master device
SYNOPSIS
Parameters
oflag indicates the file status flags and file access modes of the open file description. Values for oflag are constructed by a bit-
wise-inclusive OR of flags from the following list, defined in
Open for reading and writing.
If set will not cause the terminal device to become the controlling terminal for the process.
DESCRIPTION
The function establishes a connection between a master device for a pseudo-terminal and a file descriptor. This file descriptor can be used
to refer that device. The file status flags and file access modes of the opened file descriptor will be set according to the value of
oflag.
RETURN VALUE
Upon successful completion opens a master pseudo-terminal device and returns a non-negative integer representing the lowest numbered unused
file descriptor. Otherwise, returns -1 and is set to indicate the error.
ERRORS
On failure sets one of the following values for
OPEN_MAX file descriptors are currently open in the calling process.
The maximum allowable number of files are currently open on the system.
The value of oflag is not valid.
Out of pseudo-terminal resources.
Out of STREAMS resources.
AUTHOR
was developed by HP.
SEE ALSO
open(2), grantpt(3C), ptsname(3C), unlockpt(3C), ptm(7), pts(7).
posix_openpt(3C)