---
name: "sc_transmit_apdu"
section: "3"
platform: "linux"
package: "libopensc2-dev"
version: "0.11.13-1.1"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/sc_transmit_apdu"
---

# sc\_transmit\_apdu(3)

Transmit an APDU structure

## NAME

sc\_transmit\_apdu - Transmit an APDU structure

## SYNOPSIS

```
#include <opensc.h>
int sc_transmit_apdu(struct sc_card *card, sc_apdu_t *apdu);
```

## DESCRIPTION

This function transmits the APDU in *apdu* to *card*.

## RETURN VALUE

Returns 0 if successful, or a negative value in case of error.