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gnutls_x509_crt..._extension_data(3) gnutls gnutls_x509_crt..._extension_data(3)

NAME
     gnutls_x509_crt_get_extension_data - API function

SYNOPSIS
     #include <gnutls/x509.h>

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

ARGUMENTS
     gnutls_x509_crt_t cert
		 should contain a gnutls_x509_crt_t type

     unsigned indx
		 Specifies which extension OID to send. Use (0) 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  data

DESCRIPTION
     This function will return the requested extension data in the  certificate.
     The extension data will be stored in the provided buffer.

     Use  gnutls_x509_crt_get_extension_info()	to  extract the OID and critical
     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  (0) is returned, otherwise a negative 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 <bugs@gnutls.org>.
     Home page: https://www.gnutls.org

COPYRIGHT
     Copyright (C) 2001-2023 Free Software Foundation, Inc., and others.
     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 /usr/local/share/doc/gnutls/ directory does not contain the  HTML  form
     visit

     https://www.gnutls.org/manual/

gnutls				     3.8.13 gnutls_x509_crt..._extension_data(3)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=gnutls_x509_crt_get_extension_data&sektion=3&manpath=FreeBSD+Ports+15.1.quarterly>

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