PRELIMINARY
SYNOPSIS
        string tls_error(int errorno)

DESCRIPTION
        tls_error() returns a string describing the error behind the
        error number errorno.

SEE ALSO
        tls_init_connection(E), tls_deinit_connection(E), 
        tls_query_connection_state(E), tls_query_connection_info(E),
        tls_available(E)
