ref: 3a7aed5d6d3236a5b7a5d74a955dc34b82dc6ba1
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)