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ioctl_tty.2: Document ioctls: TCGETS2, TCSETS2, TCSETSW2, TCSETSF2 

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Pali Rohár 2021-08-08 10:41:23 +02:00 committed by Michael Kerrisk
parent aad1f0e890
commit 572422a678
1 changed files with 29 additions and 0 deletions
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man2/ioctl_tty.2
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@ -106,6 +106,35 @@ The following four ioctls are just like
.BR TCSETSW ,
.BR TCSETSF ,
except that they take a
.I "struct termios2\ *"
instead of a
.IR "struct termios\ *" .
If struct member
.B c_cflag
contains
.B BOTHER
then baudrate is stored in struct members
.B c_ispeed
and
.B c_ospeed
as integer values.
These ioctls are not supported on all architectures.
.RS
.TS
lb l.
TCGETS2 \fBstruct termios2 *\fPargp
TCSETS2 \fBconst struct termios2 *\fPargp
TCSETSW2 \fBconst struct termios2 *\fPargp
TCSETSF2 \fBconst struct termios2 *\fPargp
.TE
.RE
.PP
The following four ioctls are just like
.BR TCGETS ,
.BR TCSETS ,
.BR TCSETSW ,
.BR TCSETSF ,
except that they take a
.I "struct termio\ *"
instead of a
.IR "struct termios\ *" .