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@deftypefun {int} {gnutls_x509_crt_get_issuer_alt_name2} (gnutls_x509_crt_t @var{cert}, unsigned int @var{seq}, void * @var{ian}, size_t * @var{ian_size}, unsigned int * @var{ian_type}, unsigned int * @var{critical})
@var{cert}: should contain a @code{gnutls_x509_crt_t} structure
@var{seq}: specifies the sequence number of the alt name (0 for the first one, 1 for the second etc.)
@var{ian}: is the place where the alternative name will be copied to
@var{ian_size}: holds the size of ret.
@var{ian_type}: holds the type of the alternative name (one of gnutls_x509_subject_alt_name_t).
@var{critical}: will be non-zero if the extension is marked as critical (may be null)
This function will return the alternative names, contained in the
given certificate. It is the same as
@code{gnutls_x509_crt_get_issuer_alt_name()} except for the fact that it
will return the type of the alternative name in @code{ian_type} even if
the function fails for some reason (i.e. the buffer provided is
not enough).
@strong{Returns:} the alternative issuer name type on success, one of the
enumerated @code{gnutls_x509_subject_alt_name_t} . It will return
@code{GNUTLS_E_SHORT_MEMORY_BUFFER} if @code{ian_size} is not large enough
to hold the value. In that case @code{ian_size} will be updated with
the required size. If the certificate does not have an
Alternative name with the specified sequence number then
@code{GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE} is returned.
@strong{Since:} 2.10.0
@end deftypefun
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