---
name: "usb_urb_dir_in"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/usb_urb_dir_in"
---

# usb\_urb\_dir\_in(9)

check if an URB describes an IN transfer

## NAME

usb\_urb\_dir\_in - check if an URB describes an IN transfer

## SYNOPSIS

**int usb\_urb\_dir\_in(struct urb \*** *urb***);**

## ARGUMENTS

*urb*

URB to be checked

## RETURN

1 if *urb* describes an IN transfer (device-to-host), otherwise 0.

## COPYRIGHT