1SC_GET_DATA(3)               OpenSC API reference               SC_GET_DATA(3)
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NAME

6       sc_get_data - Get a primitive data object from a card
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SYNOPSIS

9           #include <opensc.h>
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11           int sc_get_data(sc_card_t *card, unsigned int tag,
12                           unsigned char *buf, size_t buflen);
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DESCRIPTION

17       This function is used to retrieve a primitive data object from card. It
18       corresponds to the GET DATA command in the ISO 7816 standard. The data
19       is stored in buf, which is buflen bytes long.
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21       The tag parameter specifies the object to be retrieved. Refer to the
22       standard for the correct values to use.
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RETURN VALUE

25       Returns 0 if successful, or a negative value in case of error.
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29opensc                            02/16/2010                    SC_GET_DATA(3)
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