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

6       sc_detect_card_presence - Detect presence of smart card in a reader
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SYNOPSIS

9           #include <opensc.h>
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11           int sc_detect_card_presence(sc_reader_t *reader, int slot_id);
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DESCRIPTION

16       This function checks whether reader has a card present in slot_id.
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RETURN VALUE

19       If an error occurred, the return value is a a negative OpenSC error
20       code. If no card is present, 0 is returned. Otherwise, a positive value
21       is returned, which is a combination of flags. The flag
22       SC_SLOT_CARD_PRESENT is always set. In addition, if the card was
23       exchanged, the SC_SLOT_CARD_CHANGED flag is set.
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27opensc                            02/16/2010           SC_DETECT_CARD_PRESE(3)
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