# test out-of-band data when reverse sending with non-blocking relayusestrict;usewarnings;our%args=(client=>{func=>\&read_oob,},relay=>{func=>sub{ioflip(@_);relay(@_);},nonblocking=>1,nocheck=>1,},server=>{func=>\&write_oob,nocheck=>1,},len=>247,md5=>"f76df02a35322058b8c29002aaea944f",);