---
name: "TSfopen"
section: "3ts"
platform: "linux"
package: "trafficserver-dev"
version: "9.2.5+ds-0+deb12u4"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/TSfopen"
---

# TSfopen(3ts)

TSfopen API function

## NAME

TSfopen - TSfopen API function

## SYNOPSIS

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

- ***TSFile* TSfopen(const char \*filename, const char \*mode)**

  ## DESCRIPTION

Opens a file for reading or writing and returns a descriptor for accessing the file.

The current implementation cannot open a file for both reading and writing. See *TSfopen Family* for examples.

## COPYRIGHT

2026, dev@trafficserver.apache.org