NAME
sc_card_ctl - Send a control command to a card
SYNOPSIS
#include <opensc.h>
int sc_card_ctl(struct sc_card *card, unsigned long cmd, void *args);
DESCRIPTION
This function is used to send various control commands to the smart
card associated with card. The command is specified in cmd, and any
command-specific arguments are pointed to by args.
Commands are specific to cards. For more details on which cards accept
which commands, check the documentation for your card.
RETURN VALUE
Returns 0 if successful, or a negative value in case of error.