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NAME

       gnutls_x509_crq_get_subject_alt_name  -  Get  certificate’s alternative
       name

SYNOPSIS

       #include <gnutls/x509.h>

       int    gnutls_x509_crq_get_subject_alt_name(gnutls_x509_crq_t     cert,
       unsigned  int  seq,  void  *  ret,  size_t  *  ret_size, unsigned int *
       ret_type, unsigned int * critical);

ARGUMENTS

       gnutls_x509_crq_t cert
                   should contain a gnutls_x509_crq_t structure

       unsigned int seq
                   specifies the sequence number of the alt name,  0  for  the
                   first one, 1 for the second etc.

       void * ret  is the place where the alternative name will be copied to

       size_t * ret_size
                   holds the size of ret.

       unsigned int * ret_type
                   holds the gnutls_x509_subject_alt_name_t name type

       unsigned int * critical
                   will  be  non  zero  if the extension is marked as critical
                   (may be null)

DESCRIPTION

       This function will return the alternative names, contained in the given
       certificate.   It is the same as gnutls_x509_crq_get_subject_alt_name()
       except for the fact that it will return the  type  of  the  alternative
       name  in ret_type even if the function fails for some reason (i.e.  the
       buffer provided is not enough).

RETURNS

       the alternative subject name type on success,  one  of  the  enumerated
       gnutls_x509_subject_alt_name_t.          It         will         return
       GNUTLS_E_SHORT_MEMORY_BUFFER if ret_size is not large  enough  to  hold
       the  value.   In  that  case ret_size will be updated with the required
       size.  If the certificate request does not  have  an  Alternative  name
       with        the        specified       sequence       number       then
       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned.

SINCE

       2.8.0

REPORTING BUGS

       Report   bugs   to    <bug-gnutls@gnu.org>.     GnuTLS    home    page:
       http://www.gnu.org/software/gnutls/  General  help  using GNU software:
       http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright © 2008 Free Software Foundation.
       Copying and distribution of this file, with  or  without  modification,
       are  permitted  in  any  medium  without royalty provided the copyright
       notice and this notice are preserved.

SEE ALSO

       The full documentation for gnutls is maintained as  a  Texinfo  manual.
       If  the  info  and gnutls programs are properly installed at your site,
       the command

              info gnutls

       should give you access to the complete manual.

gnutls                               2.gnutls_x509_crq_get_subject_alt_name(3)