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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
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.TH "gnutls_x509_crt_get_extension_data" 3 "3.0.3" "gnutls" "gnutls"
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gnutls_x509_crt_get_extension_data \- API function
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.B #include <gnutls/x509.h>
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.BI "int gnutls_x509_crt_get_extension_data(gnutls_x509_crt_t " cert ", int " indx ", void * " data ", size_t * " sizeof_data ");"
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.IP "gnutls_x509_crt_t cert" 12
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should contain a \fBgnutls_x509_crt_t\fP structure
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Specifies which extension OID to send. Use (0) to get the first one.
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a pointer to a structure to hold the data (may be null)
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.IP "size_t * sizeof_data" 12
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initially holds the size of \fIoid\fP
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This function will return the requested extension data in the
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certificate. The extension data will be stored as a string in the
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Use \fBgnutls_x509_crt_get_extension_info()\fP to extract the OID and
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critical flag. Use \fBgnutls_x509_crt_get_extension_by_oid()\fP instead,
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if you want to get data indexed by the extension OID rather than
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On success, \fBGNUTLS_E_SUCCESS\fP (0) is returned,
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otherwise a negative error code is returned. If you have reached the
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last extension available \fBGNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE\fP
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Report bugs to <bug-gnutls@gnu.org>.
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GnuTLS home page: http://www.gnu.org/software/gnutls/
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General help using GNU software: http://www.gnu.org/gethelp/
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Copyright \(co 2008 Free Software Foundation.
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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The full documentation for
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is maintained as a Texinfo manual. If the
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programs are properly installed at your site, the command
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should give you access to the complete manual.
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