ref: 05f8ce4c83a641d2da8e3093bdfdb61e85d9dbc8
dir: /sys/src/cmd/python/Demo/sockets/radio.py/
# Receive UDP packets transmitted by a broadcasting service
MYPORT = 50000
import sys
from socket import *
s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', MYPORT))
while 1:
data, wherefrom = s.recvfrom(1500, 0)
sys.stderr.write(repr(wherefrom) + '\n')
sys.stdout.write(data)