int write_oob(string data) int write_oob(string format, mixed ... extras)
Description
Write out-of-band data to a stream.
Writes out-of-band data to a stream and returns how many bytes that were
actually written.
If more than one argument is given, sprintf will be
used to format them.
-1 is returned if something went wrong and no bytes were written.
Note
This function is only available if the option '--without-oob'
was not specified when the Pike runtime was compiled.
It is not guaranteed that all out-of-band data sent from the other end
will be received. Most streams only allow for a single byte of
out-of-band data at a time. Some streams will send the rest of the data
as ordinary data.
Stdio.Fd()->write()