int libssh2_sftp_mkdir_ex(LIBSSH2_SFTP *sftp, const char *path, unsigned int path_len, long mode);
int libssh2_sftp_mkdir(LIBSSH2_SFTP *sftp, const char *path, long mode);
path - full path of the new directory to create. Note that the new directory's parents must all exist prior 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.
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.