---
name: "__kfifo_len"
section: "9"
platform: "linux"
package: "linux-manual-2.6.32"
version: "2.6.32-48squeeze6"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/__kfifo_len"
---

# \_\_kfifo\_len(9)

returns the number of bytes available in the FIFO, no locking version

## NAME

\_\_kfifo\_len - returns the number of bytes available in the FIFO, no locking version

## SYNOPSIS

**unsigned int \_\_kfifo\_len(struct kfifo \*** *fifo***);**

## ARGUMENTS

*fifo*

the fifo to be used.

## COPYRIGHT