sc_list_files.3

读写Smart卡加解密接口的程序

.TH sc_list_files 3 "April 2003" "OpenSC Programmer's Manual
.SH NAME
sc_list_files \- list files on a smart card
.SH SYNOPSIS
.nf
.B #include <opensc.h>
.sp
.BI "int sc_list_files(sc_card_t *" card ",
.BI "                  unsigned char *" buffer ",
.BI "                  size_t " buflen ");
.fi
.SH DESCRIPTION
This function lists all files in the currently selected DF,
and stores the the file IDs as big-endian 16bit words
in \fIbuffer\fP. If the supplied buffer is too small to
hold all file IDs, the listing is silently truncated.
.PP
.SH RETURN VALUE
If an error occurred, a negative error code is returned, as described
in \fbsc_error\fP(3). Otherwise, the function will return the
number of bytes stored in \fIbuffer\fP.
.SH SEE ALSO
.BR sc_file (3),
.BR sc_path (3),
.BR sc_establish_context (3),
.BR sc_select_file (3),
.BR sc_read_binary (3),
.BR sc_read_record (3),
.BR sc_delete_file (3),
.BR sc_create_file (3),
.BR sc_file_free (3).
.SH AUTHOR
This manual page was written by Olaf Kirch <[e-mail]>