def write_uchar(self, c):
        """
        Writes an C{unsigned char} to the stream.

        @param c: Unsigned char
        @type c: C{int}
        @raise TypeError: Unexpected type for int C{c}.
        @raise OverflowError: Not in range.
        """
        if type(c) not in python.int_types:
            raise TypeError('expected an int (got:%r)' % type(c))

        if not 0 <= c <= 255:
            raise OverflowError("Not in range, %d" % c)

        self.write(struct.pack("B", c))
Writes an C{unsigned char} to the stream.

        @param c: Unsigned char
        @type c: C{int}
        @raise TypeError: Unexpected type for int C{c}.
        @raise OverflowError: Not in range.