gnutls_x509_crt_get_subject_alt_name2 man page on FreeBSD

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       gnutls_x509_crt_get_subject_alt_name2  -	 Get certificate's alternative
       name, if any

       #include <gnutls/x509.h>

       int    gnutls_x509_crt_get_subject_alt_name2(gnutls_x509_crt_t	 cert,
       unsigned	 int  seq,  void  *  ret,  size_t  *  ret_size, unsigned int *
       ret_type, unsigned int * critical);

       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_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	 type	of   the   alternative	name  (one  of

       unsigned int * 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	gnutls_x509_crt_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).

       the  alternative	 subject  name	type on success, one of the enumerated
       gnutls_x509_subject_alt_name_t.	 It  will  return  GNUTLS_E_SHORT_MEM‐
       ORY_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  certifi‐
       cate does not have an Alternative name with the specified sequence num‐
       ber then GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned.

       Report	bugs   to    <>.     GnuTLS	 home	 page:  General  help  using GNU software:

       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.

       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				     2gnutls_x509_crt_get_subject_alt_name2(3)

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