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Polish the formatting.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=140899
@ -21,7 +21,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 7, 2001
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.Dd January 27, 2005
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.Dt NMDM 4
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.Os
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.Sh NAME
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@ -32,23 +32,30 @@
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.Sh DESCRIPTION
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The
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.Nm
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driver provides two
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driver provides two
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.Xr tty 4
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devices connected
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by a virtual "null modem" cable.
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by a virtual
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.Dq "null modem"
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cable.
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.Pp
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If either of the two tty devices have the CDSR_OFLOW bit
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("stty dsrflow")
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set in their line discipline, the
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If either of the two tty devices have the
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.Dv CDSR_OFLOW
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bit
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.Pq Dq Li "stty dsrflow"
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set in their line discipline, the
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.Nm
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device will emulate the speed configured in the
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.Xr termios 4
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settings.
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The speed emulation works independently in the two directions,
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controlled by the slower ends termios settings (c_ispeed, c_ospeed,
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CS5...CS8, CSTOPB and PARENB).
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controlled by the slower end's termios settings
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.Va ( c_ispeed , c_ospeed ,
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.Dv CS5 ... CS8 , CSTOPB
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and
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.Dv PARENB ) .
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.Sh FILES
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.Bl -tag -width /dev/nmdm[N][AB] -compact
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.Bl -tag -width ".Pa /dev/nmdm Ns Ar N Ns Op Pa AB" -compact
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.It Pa /dev/nmdm Ns Ar N Ns Op Pa AB
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nullmodem device nodes.
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Where the
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@ -60,8 +67,11 @@ node.
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.Pp
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The
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.Nm
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driver implements "on-demand device creation" so simply accessing a
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given instance in /dev will create it.
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driver implements
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.Dq "on-demand device creation"
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so simply accessing a given instance in
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.Pa /dev
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will create it.
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.Sh DIAGNOSTICS
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None.
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.Sh SEE ALSO
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