---
name: "pcap_freecode"
section: "3"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["freebsd"]
url: "https://new.carta.tech/pcap_freecode"
---

# pcap\_freecode(3)

free a BPF program

## NAME

pcap\_freecode - free a BPF program

## SYNOPSIS

```
#include <pcap/pcap.h>
```

**void pcap\_freecode(struct bpf\_program \*);**

## DESCRIPTION

**pcap\_freecode**() is used to free up allocated memory pointed to by a *bpf\_program* struct generated by [**pcap\_compile**(3)](/pcap_compile/3.md) when that BPF program is no longer needed, for example after it has been made the filter program for a pcap structure by a call to [**pcap\_setfilter**(3)](/pcap_setfilter/3.md).

## SEE ALSO

[**pcap**(3)](/pcap/3.md)