@deftypefun {int} {gnutls_x509_crl_set_number} (gnutls_x509_crl_t @var{crl}, const void * @var{nr}, size_t @var{nr_size})
@var{crl}: a CRL of type @code{gnutls_x509_crl_t} 

@var{nr}: The CRL number

@var{nr_size}: Holds the size of the nr field.

This function will set the CRL's number extension. This
is to be used as a unique and monotonic number assigned to
the CRL by the authority.

@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS}  (0) is returned, otherwise a
negative error value.

@strong{Since:} 2.8.0
@end deftypefun