Method read1

tools/python-3.11.9-amd64/Lib/_pyio.py:1475–1477

(self, size=-1)

        return BufferedReader.peek(self, size)

    def read1(self, size=-1):
        self.flush()
        return BufferedReader.read1(self, size)

    def readinto1(self, b):
        self.flush()