sshkey_fromb
(r = sshkey_fromb(b, &hostkey)) != 0)
if ((r = sshkey_fromb(tmp, &server_host_key)) != 0)
if ((r = sshkey_fromb(tmp, &server_host_key)) != 0 ||
} else if ((r = sshkey_fromb(buf, k)) != 0)
if ((r = sshkey_fromb(blob, &k)) != 0) {
int sshkey_fromb(struct sshbuf *, struct sshkey **);