man sc_list_files (Fonctions bibliothèques) - List files
NAME
sc_list_files - List files
SYNOPSIS
#include <opensc.h>
int sc_list_files(struct sc_card *card, unsigned char *buf, size_t buflen);
DESCRIPTION
This function lists all files in the currently selected DF, and stores the file IDs as big-endian 16-bit words in buffer, which is buflen bytes long. If the supplied buffer is too small to hold all file IDs, the listing is silently truncated.
RETURN VALUE
Returns the number of bytes stored in buffer, or a negative value in case of error.