---
name: "pcap_dump_flush"
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_dump_flush"
---

# pcap\_dump\_flush(3)

flush to a savefile packets dumped

## NAME

pcap\_dump\_flush - flush to a savefile packets dumped

## SYNOPSIS

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

**int pcap\_dump\_flush(pcap\_dumper\_t \*p);**

## DESCRIPTION

**pcap\_dump\_flush**() flushes the output buffer to the \`\`savefile'', so that any packets written with [**pcap\_dump**(3)](/pcap_dump/3.md) but not yet written to the \`\`savefile'' will be written.

## RETURN VALUE

**pcap\_dump\_flush**() returns **0** on success and **PCAP\_ERROR** on failure.

## SEE ALSO

[**pcap**(3)](/pcap/3.md), [**pcap\_dump\_open**(3)](/pcap_dump_open/3.md)