ref: 4e7561110f80cd65e6e0251640e69a4b1e469b03
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)