|| r == SSL_R_UNKNOWN_PROTOCOL || r == SSL_R_UNSUPPORTED_PROTOCOL)
s = string_sprintf("(%s)", SSL_get_version(ssl));
(void) tls_error(US"SSL_accept", NULL, sigalrm_seen ? US"timed out" : s, errstr);
|| r == SSL_R_UNKNOWN_PROTOCOL || r == SSL_R_UNSUPPORTED_PROTOCOL)
s = string_sprintf("(%s)", SSL_get_version(ssl));
(void) tls_error(US"SSL_accept", NULL, sigalrm_seen ? US"timed out" : s, errstr);