C:\>pip install pypcap
Collecting pypcap
  Using cached pypcap-1.1.1.tar.gz
    Complete output from command python setup.py egg_info:
    pcap.h not found

    ----------------------------------------
    Command "python setup.py egg_info" failed with error code 1 in c:\users\root
\appdata\local\temp\pip-build-_8lups\pypcap