(self, b)
return self._buffer.readinto(b)
Read bytes into b.

        Returns the number of bytes read (0 for EOF).
Read bytes into b.
Read bytes into b .
def readinto(self, b):
        """Read bytes into b.

        Returns the number of bytes read (0 for EOF).
        """
        self._check_can_read()
        return self._buffer.readinto(b)
def readinto ( self , b ) : self . _check_can_read ( ) return self . _buffer . readinto ( b )