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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
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.TH "gnutls_x509_crt_get_tlsfeatures" 3 "3.6.2" "gnutls" "gnutls"
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.SH NAME
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gnutls_x509_crt_get_tlsfeatures \- API function
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.SH SYNOPSIS
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.B #include <gnutls/x509.h>
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.sp
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.BI "int gnutls_x509_crt_get_tlsfeatures(gnutls_x509_crt_t " crt ", gnutls_x509_tlsfeatures_t " features ", unsigned int " flags ", unsigned int * " critical ");"
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.SH ARGUMENTS
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.IP "gnutls_x509_crt_t crt" 12
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A X.509 certificate
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.IP "gnutls_x509_tlsfeatures_t features" 12
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If the function succeeds, the
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features will be stored in this variable.
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.IP "unsigned int flags" 12
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zero or \fBGNUTLS_EXT_FLAG_APPEND\fP
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.IP "unsigned int * critical" 12
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the extension status
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.SH "DESCRIPTION"
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This function will get the X.509 TLS features
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extension structure from the certificate. The
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returned structure needs to be freed using
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\fBgnutls_x509_tlsfeatures_deinit()\fP.
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When the \fIflags\fP is set to \fBGNUTLS_EXT_FLAG_APPEND\fP,
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then if the \fIfeatures\fP structure is empty this function will behave
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identically as if the flag was not set. Otherwise if there are elements
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in the \fIfeatures\fP structure then they will be merged with.
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Note that \fIfeatures\fP must be initialized prior to calling this function.
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.SH "RETURNS"
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On success, \fBGNUTLS_E_SUCCESS\fP (0) is returned,
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otherwise a negative error value.
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.SH "SINCE"
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3.5.1
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.SH "REPORTING BUGS"
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Report bugs to <bugs@gnutls.org>.
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.br
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Home page: http://www.gnutls.org
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.SH COPYRIGHT
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Copyright \(co 2001-2018 Free Software Foundation, Inc., and others.
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.br
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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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.SH "SEE ALSO"
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The full documentation for
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.B gnutls
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is maintained as a Texinfo manual.
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If the /usr/share/doc/gnutls/
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directory does not contain the HTML form visit
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.B
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.IP http://www.gnutls.org/manual/
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.PP
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