tcdrain

Syntax

#include <termios.h> int tcdrain (int fd);

Description

This function waits until all the output is written to the file/device referred to by the handle fd. In this implementation, this function does nothing except checking the validity of its arguments; it is provided for compatibility only. Note that the 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