dcat's horrorcode

echo.c

/* dcat's horrorcode, compile with; `cc -std=c99 -o echo echo.c` */
extern char write (unsigned, register const char *, unsigned);
static const char C[2] = { ' ', '\n' };

static mprint (char *x) {
	register char *s,c;
	for (s = x; *s; ++s);
	c = write(1, &*x, s-x);
	return ! c == s - x;
}

main (int c, char **a) {
	--c;
	for (register char i=1; i<=c; i++)
		mprint(i[a]) || write(1,&(!!(i == c))[C], 1);
}