libbcm2835-dev - 1.71+ds-1+b1 main

This is a C library for Raspberry Pi (RPi). It provides access to GPIO and
other IO functions on the Broadcom BCM 2835 chipp, as used in the RaspberryPi,
allowing access to the 26 pin ISE plug on the RPi board so you can control and
interface with various external devices.