ssh_add_identity_constrained
int ssh_add_identity_constrained(int sock, struct sshkey *key,
if ((r = ssh_add_identity_constrained(agent_fd, private,
if ((r = ssh_add_identity_constrained(agent_fd, private, comment,
if ((r = ssh_add_identity_constrained(agent_fd, key,
if ((r = ssh_add_identity_constrained(auth_sock, private,