options->system_hostfile2 = NULL; options->user_hostfile2 = NULL;
initialize_options(Options * options){	memset(options, 'X', sizeof(*options));	options->forward_agent = -1;	options->forward_x11 = -1;	options->gateway_ports = -1;	options->use_privileged_port = -1;	options->rhosts_authentication = -1;	options->rsa_authentication = -1;	options->skey_authentication = -1;#ifdef KRB4	options->kerberos_authentication = -1;#endif#ifdef AFS	options->kerberos_tgt_passing = -1;	options->afs_token_passing = -1;#endif	options->password_authentication = -1;	options->rhosts_rsa_authentication = -1;	options->fallback_to_rsh = -1;	options->use_rsh = -1;	options->batch_mode = -1;	options->check_host_ip = -1;	options->strict_host_key_checking = -1;	options->compression = -1;	options->keepalives = -1;	options->compression_level = -1;	options->port = -1;	options->connection_attempts = -1;	options->number_of_password_prompts = -1;	options->cipher = -1;	options->ciphers = NULL;	options->protocol = SSH_PROTO_UNKNOWN;	options->num_identity_files = 0;	options->hostname = NULL;	options->proxy_command = NULL;	options->user = NULL;	options->escape_char = -1;	options->system_hostfile = NULL;	options->user_hostfile = NULL;	options->num_local_forwards = 0;	options->num_remote_forwards = 0;	options->log_level = (LogLevel) - 1;}