def doRead(self):
        return fdesc.readFromFD(self.fileno(), self.protocol.dataReceived)
Read the region header and stores: offset, length and status.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/_posixserialport.py/SerialPort.doRead--crossover with--dataset/ETHPy150Open twoolie/NBT/nbt/region.py/RegionFile._parse_header