.TH libssh2_channel_flush_ex 3 "1 Jun 2007" "libssh2 0.15" "libssh2 manual" .SH NAME libssh2_channel_flush_ex - flush a channel .SH SYNOPSIS #include int libssh2_channel_flush_ex(LIBSSH2_CHANNEL *channel, int streamid); int libssh2_channel_flush(LIBSSH2_CHANNEL *channel); int libssh2_channel_flush_stderr(LIBSSH2_CHANNEL *channel); .SH DESCRIPTION \fIchannel\fP - Active channel stream to flush. \fIstreamid\fP - Specific substream number to flush. Groups of substreams may be flushed by passing on of the following Constants. .br \fBLIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA\fP: Flush all extended data substreams .br \fBLIBSSH2_CHANNEL_FLUSH_ALL\fP: Flush all substreams Flush the read buffer for a given channel instance. Individual substreams may be flushed by number or using one of the provided macros. .SH RETURN VALUE Return 0 on success or negative on failure. It returns LIBSSH2_ERROR_EAGAIN when it would otherwise block. While LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se.