tcflow

Syntax

#include <termios.h> int tcflow (int fd, int action);

Description

This function suspends transmission of data to, or reception of data from, the device/file open on handle fd. The action argument can take one of these values:

TCOOFF

the output is suspended

TCOON

the output is resumed

TCIOFF

the STOP character is transmitted

TCION

the START character is transmitted

The current START and STOP characters are stored in the termios structure that is currently in effect. See section Termios functions, for more details about that.

Note that the DJGPP termios emulation handles console only.

Return Value

Zero on success, nonzero on failure.

Portability

ANSI/ISO C	No
POSIX	1003.2-1992; 1003.1-2001