libssh2_poll_channel_read (3) - Linux Man Pages
libssh2_poll_channel_read: check if data is available
NAMElibssh2_poll_channel_read - check if data is available
DESCRIPTIONThis function is deprecated. Do note use.
libssh2_poll_channel_read(3) checks to see if data is available in the channel's read buffer. No attempt is made with this method to see if packets are available to be processed. For full polling support, use libssh2_poll(3).
RETURN VALUEReturns 1 when data is available and 0 otherwise.