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CFSETOSPEED(3P)		   POSIX Programmer's Manual	       CFSETOSPEED(3P)

PROLOG
       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.

NAME
       cfsetospeed - set output baud rate

SYNOPSIS
       #include <termios.h>

       int cfsetospeed(struct termios *termios_p, speed_t speed);

DESCRIPTION
       The cfsetospeed() function shall set the output 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	struc‐
       ture.  Similarly,  errors resulting from attempts to set baud rates not
       supported by the terminal device need not be detected until  the	 tcse‐
       tattr() function is called.

RETURN VALUE
       Upon successful completion, cfsetospeed() shall return 0; otherwise, it
       shall return -1 and errno may be set to indicate the error.

ERRORS
       The cfsetospeed() 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.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       Refer to cfgetispeed().

FUTURE DIRECTIONS
       None.

SEE ALSO
       cfgetispeed(), cfgetospeed(), cfsetispeed(), tcsetattr(), the Base Def‐
       initions volume of IEEE Std 1003.1-2001, Chapter 11,  General  Terminal
       Interface, <termios.h>

COPYRIGHT
       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 6, Copyright (C) 2001-2003	by  the	 Institute  of
       Electrical  and	Electronics  Engineers, Inc and The Open Group. 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.opengroup.org/unix/online.html .

IEEE/The Open Group		     2003		       CFSETOSPEED(3P)
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