libssh2_channel_window_write_ex

#include <libssh2.h>

unsigned long libssh2_channel_window_write_ex(LIBSSH2_CHANNEL *channel,
unsigned long *window_size_initial)

Check the status of the write window Returns the number of bytes which may be safely written on the channel without blocking. 'window_size_initial' (if passed) will be populated with the size of the initial window as defined by the channel_open request

Number of bytes which may be safely written on the channel without blocking.

libssh2_channel_window_read_ex(3), libssh2_channel_receive_window_adjust(3)