sc_disconnect_card.3

读写Smart卡加解密接口的程序

.TH sc_disconnect_card 3 "April 2003" "OpenSC Programmer's Manual
.SH NAME
sc_disconnect_card \- disconnect from smart card
.SH SYNOPSIS
.nf
.B #include <opensc.h>
.sp
.BI "int sc_disconnect_card(sc_card_t *" card ",
.BI "                       int " action ");
.fi
.SH DESCRIPTION
This function disconnects from a card in a reader, and frees the card
structure. Any locks made by the application must be released before
calling this function.
.PP
The \fIaction\fP parameter is not used at the moment and
should be set to 0.
.PP
The card is not reset nor powered down after the operation.
.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 0.
.SH SEE ALSO
.BR sc_connect_card (3).
.SH AUTHOR
This manual page was written by Olaf Kirch <[e-mail]>