/** asma - aka tolower() first 16 bytes.
 *
 *	unsigned char *asma(unsigned char *s)
 *	{
 *		int i;
 *		for (i=0; i<16; i++)
 *		{
 *			unsigned char c = s[i];
 *			c += (c >= 'A' && c <= 'Z') ? 'a'-'A' : 0;
 *			s[i] = c;
 *		}
 *		return s;
 *	}
 */
/* AMD64 Little Endian byte order
 * p[0]                c0 c1 c2 c3 c4 c5 c6 c7
 * p[1]                   c1 c2 c3 c4 c5 c6 c7 c8
 * p[1] * 256          00 c1 c2 c3 c4 c5 c6 c7
 * p[0] - 256 * p[1]   c0
 */
/* WISHLIST signed!? */
struct f end;
method asma()
	var p := this;
	var q := this--16;
	while p < q
	do
		var c := p.f - (256 * (p--1).f);

		/* add 'a'-'A' iff 'A' <= c <= 'Z' */
		if 0x40 < c then if c < 0x5B then
			c := c--0x20;
		end;
		end;

		p.f := (256 * (p--1).f)-(0-c);

		p := p--1;
	end;
	return this;
end;