@deftypefun {unsigned} {gnutls_x509_name_constraints_check} (gnutls_x509_name_constraints_t @var{nc}, gnutls_x509_subject_alt_name_t @var{type}, const gnutls_datum_t * @var{name})
@var{nc}: the extracted name constraints

@var{type}: the type of the constraint to check (of type gnutls_x509_subject_alt_name_t)

@var{name}: the name to be checked

This function will check the provided name against the constraints in
 @code{nc} using the RFC5280 rules. Currently this function is limited to DNS
names, emails and IP addresses (of type @code{GNUTLS_SAN_DNSNAME} ,
@code{GNUTLS_SAN_RFC822NAME}  and @code{GNUTLS_SAN_IPADDRESS} ).

@strong{Returns:} zero if the provided name is not acceptable, and non-zero otherwise.

@strong{Since:} 3.3.0
@end deftypefun