SC_DETECT_CARD_PRESE

Section: OpenSC API reference (3)
Updated: 08/27/2008
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NAME

sc_detect_card_presence - Detect presence of smart card in a reader  

SYNOPSIS

#include <opensc.h>

int sc_detect_card_presence(sc_reader_t *reader, int slot_id);
                

 

DESCRIPTION

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

RETURN VALUE

If an error occurred, the return value is a a negative OpenSC error code. If no card is present, 0 is returned. Otherwise, a positive value is returned, which is a combination of flags. The flag SC_SLOT_CARD_PRESENT is always set. In addition, if the card was exchanged, the SC_SLOT_CARD_CHANGED flag is set.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE

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