gnutls_x509_crt_get_extension_data man page on FreeBSD

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gnutls_x509_crt_get_extension_data(3gnutlgnutls_x509_crt_get_extension_data(3)

NAME
       gnutls_x509_crt_get_extension_data - Get the specified extension data

SYNOPSIS
       #include <gnutls/x509.h>

       int   gnutls_x509_crt_get_extension_data(gnutls_x509_crt_t   cert,  int
       indx, void * data, size_t * sizeof_data);

ARGUMENTS
       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_t structure

       int indx	   Specifies which extension OID to send. Use zero to get  the
		   first one.

       void * data a pointer to a structure to hold the data (may be null)

       size_t * sizeof_data
		   initially holds the size of oid

DESCRIPTION
       This  function will return the requested extension data in the certifi‐
       cate.  The extension data will be stored as a string  in	 the  provided
       buffer.

       Use  gnutls_x509_crt_get_extension_info() to extract the OID and criti‐
       cal flag.  Use gnutls_x509_crt_get_extension_by_oid() instead,  if  you
       want to get data indexed by the extension OID rather than sequence.

RETURNS
       On  success,  GNUTLS_E_SUCCESS  (zero)  is returned, otherwise an error
       code is returned.  If you have reached  the  last  extension  available
       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.

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				     2.8.gnutls_x509_crt_get_extension_data(3)
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