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.\"Generated by db2man.xsl. Don't modify this, modify the source.
.de Sh \" Subsection
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.PP
\fB\\$1\fR
.PP
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.de Sp \" Vertical space (when we can't use .PP)
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.de Ip \" List item
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..
.TH "SC_READ_RECORD" 3 "" "" "OpenSC API Reference"
.SH NAME
sc_read_record \- Read a record from a file
.SH "SYNOPSIS"
.PP
.nf
#include <opensc\&.h>
int sc_read_record(struct sc_card *card, unsigned int record,
unsigned char *buf, size_t buflen,
unsigned long flags);
.fi
.SH "DESCRIPTION"
.PP
This function reads a record\-structured elementary file (EF) from \fIcard\fR\&. The function corresponds to the ISO 7816 READ RECORD function\&. Callsc_select_file() first to select the file to read from\&.
.PP
\fIrecord\fR specifies the ID of the record to be read, or, if\fIflags\fR is set to SC_RECORD_BY_REC_NR, the record number\&. If\fIrecord\fR is set to zero, the current record will be read\&.
.PP
The read data is stored in \fIbuf\fR, which is \fIbuflen\fR bytes long\&.
.SH "RETURN VALUE"
.PP
Returns the number of bytes read if successful, or a negative value in case of error\&.
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