1gnutls_x509_crt_get_extension_data(3)gnutlsgnutls_x509_crt_get_extension_data(3)
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NAME

6       gnutls_x509_crt_get_extension_data - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int   gnutls_x509_crt_get_extension_data(gnutls_x509_crt_t   cert,  int
12       indx, void * data, size_t * sizeof_data);
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ARGUMENTS

15       gnutls_x509_crt_t cert
16                   should contain a gnutls_x509_crt_t structure
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18       int indx    Specifies which extension OID to send. Use zero to get  the
19                   first one.
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21       void * data a pointer to a structure to hold the data (may be null)
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23       size_t * sizeof_data
24                   initially holds the size of oid
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DESCRIPTION

27       This  function will return the requested extension data in the certifi‐
28       cate.  The extension data will be stored as a string  in  the  provided
29       buffer.
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31       Use  gnutls_x509_crt_get_extension_info() to extract the OID and criti‐
32       cal flag.  Use gnutls_x509_crt_get_extension_by_oid() instead,  if  you
33       want to get data indexed by the extension OID rather than sequence.
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RETURNS

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

41       Report    bugs    to    <bug-gnutls@gnu.org>.     GnuTLS   home   page:
42       http://www.gnu.org/software/gnutls/ General help  using  GNU  software:
43       http://www.gnu.org/gethelp/
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46       Copyright © 2008 Free Software Foundation.
47       Copying  and  distribution  of this file, with or without modification,
48       are permitted in any medium  without  royalty  provided  the  copyright
49       notice and this notice are preserved.
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SEE ALSO

52       The  full  documentation  for gnutls is maintained as a Texinfo manual.
53       If the info and gnutls programs are properly installed  at  your  site,
54       the command
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56              info gnutls
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58       should give you access to the complete manual.
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62gnutls                             2.12.6.g1nutls_x509_crt_get_extension_data(3)
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