NAME

tcdrain - block until output is transmitted

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <termios.h>

int tcdrain(int fd);

DESCRIPTION

tcdrain() waits until all output written to the object referred to by fd has been 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).

STANDARDS

POSIX.1-2008.

HISTORY

POSIX.1-2001.

SEE ALSO

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