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PROLOG | NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLES | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT |
CFSETISPEED(3P) POSIX Programmer's Manual CFSETISPEED(3P)
This manual page is part of the POSIX Programmer's Manual. The Linux
implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior), or
the interface may not be implemented on Linux.
cfsetispeed — set input baud rate
#include <termios.h>
int cfsetispeed(struct termios *termios_p, speed_t speed);
The cfsetispeed() function shall set the input baud rate stored in
the structure pointed to by termios_p to speed.
There shall be no effect on the baud rates set in the hardware until
a subsequent successful call to tcsetattr() with the same termios
structure. Similarly, errors resulting from attempts to set baud
rates not supported by the terminal device need not be detected until
the tcsetattr() function is called.
Upon successful completion, cfsetispeed() shall return 0; otherwise,
−1 shall be returned, and errno may be set to indicate the error.
The cfsetispeed() function may fail if:
EINVAL The speed value is not a valid baud rate.
EINVAL The value of speed is outside the range of possible speed
values as specified in <termios.h>.
The following sections are informative.
None.
None.
Refer to cfgetispeed(3p).
None.
cfgetispeed(3p), cfgetospeed(3p), cfsetospeed(3p), tcsetattr(3p)
The Base Definitions volume of POSIX.1‐2008, Chapter 11, General
Terminal Interface, termios.h(0p)
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2013 Edition, Standard for Information
Technology -- Portable Operating System Interface (POSIX), The Open
Group Base Specifications Issue 7, Copyright (C) 2013 by the
Institute of Electrical and Electronics Engineers, Inc and The Open
Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1
applied.) In the event of any discrepancy between this version and
the original IEEE and The Open Group Standard, the original IEEE and
The Open Group Standard is the referee document. The original
Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are
most likely to have been introduced during the conversion of the
source files to man page format. To report such errors, see
https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group 2013 CFSETISPEED(3P)
Pages that refer to this page: termios.h(0p), cfgetispeed(3p), cfgetospeed(3p), cfsetospeed(3p)