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<?xml version="1.0" encoding="UTF-8"?>
<refentry id="scappendrecord">
<refentryinfo><title>OpenSC API Reference</title></refentryinfo>
<refmeta>
<refentrytitle>sc_append_record</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>opensc</refmiscinfo>
</refmeta>
<refnamediv>
<refname>sc_append_record</refname>
<refpurpose>Append a record to a file</refpurpose>
</refnamediv>
<refsect1>
<title>Synopsis</title>
<para>
<programlisting>
#include <opensc.h>
int sc_append_record(struct sc_card *card,
const unsigned char *buf, size_t buflen,
unsigned long flags);
</programlisting>
</para>
</refsect1>
<refsect1>
<title>Description</title>
<para>
This function appends a record that is <emphasis>buflen</emphasis> bytes long from the buffer
pointed to by <emphasis>buf</emphasis> to a record-structured elementary file (EF) on
<emphasis>card</emphasis>. The function corresponds to the <link linkend="iso7816">ISO
7816</link> APPEND RECORD function. Call <link linkend="scselectfile">sc_select_file()</link>
first to select the file to write to.
</para>
</refsect1>
<refsect1>
<title>Return value</title>
<para>
Returns the number of bytes written if successful, or a negative value in case of error.
</para>
</refsect1>
</refentry>
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