tcflush

Section: C Library Functions (3)
Updated: 202-0-02
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NAME

tcflush - discard pending data  

LIBRARY

Standard C library (libc,~-lc)  

SYNOPSIS

#include <termios.h>
int tcflush(int fd, int queue_selector);

 

DESCRIPTION

tcflush() discards data written to the object referred to by fd but not transmitted, or data received but not read, depending on the value of queue_selector:

TCIFLUSH

flushes data received but not read.

TCOFLUSH

flushes data written but not transmitted.

TCIOFLUSH

flushes both data received but not read, and data written but not transmitted.

 

RETURN VALUE

0

on success.

-1

on failure and set errno to indicate the error.

 

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
tcflush()	Thread safety	M-Safe

 

STANDARDS

POSIX.-2008.  

HISTORY

POSIX.-2001.  

SEE ALSO

tcsendbreak(3), tcdrain(3), tcflow(3), termios(7)

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Index

NAME

LIBRARY

SYNOPSIS

DESCRIPTION

RETURN VALUE

ATTRIBUTES

STANDARDS

HISTORY

SEE ALSO