SSHDIR
#define _PATH_SSH_SYSTEM_RC SSHDIR "/sshrc"
#define _PATH_SSH_HOSTS_EQUIV SSHDIR "/shosts.equiv"
#ifndef SSHDIR
#define _PATH_SSH_SYSTEM_HOSTFILE SSHDIR "/ssh_known_hosts"
#define _PATH_SSH_SYSTEM_HOSTFILE2 SSHDIR "/ssh_known_hosts2"
#define _PATH_SERVER_CONFIG_FILE SSHDIR "/sshd_config"
#define _PATH_HOST_CONFIG_FILE SSHDIR "/ssh_config"
#define _PATH_HOST_DSA_KEY_FILE SSHDIR "/ssh_host_dsa_key"
#define _PATH_HOST_ECDSA_KEY_FILE SSHDIR "/ssh_host_ecdsa_key"
#define _PATH_HOST_ED25519_KEY_FILE SSHDIR "/ssh_host_ed25519_key"
#define _PATH_HOST_XMSS_KEY_FILE SSHDIR "/ssh_host_xmss_key"
#define _PATH_HOST_RSA_KEY_FILE SSHDIR "/ssh_host_rsa_key"
#define _PATH_DH_MODULI SSHDIR "/moduli"
"~/" _PATH_SSH_USER_DIR : SSHDIR, p);
xasprintf(&arg, "%s/%s", SSHDIR, arg2);