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 (0) 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  data
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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 in the provided buffer.
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30       Use gnutls_x509_crt_get_extension_info() to extract the OID and  criti‐
31       cal  flag.   Use gnutls_x509_crt_get_extension_by_oid() instead, if you
32       want to get data indexed by the extension OID rather than sequence.
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RETURNS

35       On success, GNUTLS_E_SUCCESS (0)  is  returned,  otherwise  a  negative
36       error  code is returned.  If you have reached the last extension avail‐
37       able GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
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REPORTING BUGS

40       Report bugs to <bugs@gnutls.org>.
41       Home page: http://www.gnutls.org
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45       Copyright © 2001-2014 Free Software Foundation, Inc..
46       Copying and distribution of this file, with  or  without  modification,
47       are  permitted  in  any  medium  without royalty provided the copyright
48       notice and this notice are preserved.
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SEE ALSO

51       The full documentation for gnutls is maintained as  a  Texinfo  manual.
52       If  the /usr/share/doc/gnutls/ directory does not contain the HTML form
53       visit
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55       http://www.gnutls.org/manual/
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57gnutls                              3.3.29gnutls_x509_crt_get_extension_data(3)
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