HH
#define HH(a, b, c, d, x, s) { \
#define HH(a, b, c, d, x, s, ac) { \
#define HH(a, b, c, d, x, s, ac) \
#define HH(a, b, c, d, x, s) \
#define HH(a, b, c, d, x, s, ac) { (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); }