NTNcs631/NTN — pull request #14 by lzhang25 (2013-11-23 02:24:57+00:00)
Title: net.c v 1.05 (add 522 timeout)

Add timer to detect timeout.
Use Alarm clock signal.
The server now will respond a 522 timeout error after 15 seconds.
Also change the type of buffer from char to unsigned char to solve a
warning text.