---
name: "TSPluginVCIOBufferIndexGet"
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/TSPluginVCIOBufferIndexGet"
---

# TSPluginVCIOBufferIndexGet(3ts)

TSPluginVCIOBufferIndexGet API function

## NAME

TSPluginVCIOBufferIndexGet - TSPluginVCIOBufferIndexGet API function

## SYNOPSIS

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

- ***TSIOBufferSizeIndex* TSPluginVCIOBufferIndexGet(*TSHttpTxn* txnp)**

  ## DESCRIPTION

Convenience function to obtain the current value of the *proxy.config.plugin.vc.default\_buffer\_index* parameter from the transaction provided in *txnp*. If no errors are encountered and the buffer index on the transaction is greater than or equal to the minimum value, and less than or equal to the maximum value, this value is returned. Otherwise the default buffer index is returned.

## COPYRIGHT

2026, dev@trafficserver.apache.org