47 lines
1.2 KiB
XML
47 lines
1.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<refentry id="sccardctl">
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<refentryinfo><title>OpenSC API Reference</title></refentryinfo>
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<refmeta>
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<refentrytitle>sc_card_ctl</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>opensc</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>sc_card_ctl</refname>
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<refpurpose>Send a control command to a card</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Synopsis</title>
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<para>
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<programlisting>
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#include <opensc.h>
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int sc_card_ctl(struct sc_card *card, unsigned long cmd, void *args);
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</programlisting>
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</para>
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</refsect1>
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<refsect1>
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<title>Description</title>
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<para>This function is used to send various control commands to the smart card associated with
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<emphasis>card</emphasis>. The command is specified in <emphasis>cmd</emphasis>, and any
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command-specific arguments are pointed to by <emphasis>args</emphasis>.
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</para>
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<para>
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Commands are specific to cards. For more details on which cards accept which
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commands, check the documentation for your card.
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</para>
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</refsect1>
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<refsect1>
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<title>Return value</title>
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<para>
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Returns 0 if successful, or a negative value in case of error.
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</para>
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</refsect1>
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</refentry>
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