use :0 in bind_to_random_port
use :0 in bind_to_random_port

when LAST_ENDPOINT is available (libzmq ≥ 3.x)
for retrieving the result of the bind.
yyt030/pyzmq,dash-dash/pyzmq,caidongyun/pyzmq,ArvinPan/pyzmq,ArvinPan/pyzmq,Mustard-Systems-Ltd/pyzmq,Mustard-Systems-Ltd/pyzmq,yyt030/pyzmq,dash-dash/pyzmq,swn1/pyzmq,swn1/pyzmq,Mustard-Systems-Ltd/pyzmq,yyt030/pyzmq,dash-dash/pyzmq,ArvinPan/pyzmq,caidongyun/pyzmq,swn1/pyzmq,caidongyun/pyzmq