path - full path of the new directory to create. Note that the new
directory's parents must all exist priot to making this call.
path_len - length of the full path of the new directory to create.
mode - directory creation mode (e.g. 0755).
Create a directory on the remote file system.
RETURN VALUE
Return 0 on success or negative on failure.
LIBSSH2_ERROR_EAGAIN when it would otherwise block. While
LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se.
ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.
LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.
LIBSSH2_ERROR_SOCKET_TIMEOUT -
LIBSSH2_ERROR_SFTP_PROTOCOL - An invalid SFTP protocol response was
received on the socket, or an SFTP operation caused an errorcode to be
returned by the server.