Install UCLA Zigbee PHY code in USRP2

If there are some errors when installing the UCLA Zigbee on USRP2,
like "stdout is not defined", "printf is not defined"...
Then, include the following line in the error C file:
#include

And then, do the re-compile and re-install.

https://www.cgran.org/wiki/UCLAZigBee
https://www.cgran.org/browser/projects/ucla_zigbee_phy/branches