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Fix PR/2221: Document TIOC[GS]FLAGS

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christos 1996-03-17 07:13:40 +00:00
parent 2dd7a7984c
commit 3753f5f6cd
1 changed files with 25 additions and 1 deletions
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26
share/man/man4/tty.4
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@ -1,4 +1,4 @@
.\" $NetBSD: tty.4,v 1.2 1994/11/30 16:22:40 jtc Exp $
.\" $NetBSD: tty.4,v 1.3 1996/03/17 07:13:40 christos Exp $
.\"
.\" Copyright (c) 1991, 1992, 1993
.\" The Regents of the University of California. All rights reserved.
@ -387,6 +387,30 @@ represent modem state as described above, however each bit which is on
in
.Fa state
is cleared in the terminal.
.It Dv TIOCSFLAGS Fa int *state
The bits in the integer pointed to by
.Fa state
contain bits that correspond to serial port state. Following is a list
of defined variables and the serial port state they represent:
.Pp
.Bl -tag -width TIOCFLAG_SOFTCAR -compact
.It TIOCFLAG_SOFTCAR
Ignore hardware carrier.
.It TIOCFLAG_CLOCAL
Set clocal on open.
.It TIOCFLAG_CRTSCTS
Set crtscts on open.
.It TIOCFLAG_MDMBUF
Set mdmbuf on open.
.El
.Pp
This call sets the serial port state to that represented by
.Fa state .
Not all serial ports may support this.
.It Dv TIOCGFLAGS Fa int *state
Return the current state of the serial port as represented
above in the integer pointed to by
.Fa state .
.El
.Sh SEE ALSO
.Xr getty 8 ,