53 #define ENCROUND(n, a, b, c, d) \  argument
55    x += y; y += x + ctx->k[2 * (n) + 1]; \
56    (c) ^= x + ctx->k[2 * (n)]; \
60 #define DECROUND(n, a, b, c, d) \  argument
63    (d) ^= y + ctx->k[2 * (n) + 1]; \
66    (c) ^= (x + ctx->k[2 * (n)])
71 #define ENCCYCLE(n) \  argument
72    ENCROUND (2 * (n), a, b, c, d); \
73    ENCROUND (2 * (n) + 1, c, d, a, b)
75 #define DECCYCLE(n) \  argument
76    DECROUND (2 * (n) + 1, c, d, a, b); \
77    DECROUND (2 * (n), a, b, c, d)
85 #define INPACK(n, x, m) \  argument
86    x = get_unaligned_le32(in + (n) * 4) ^ ctx->w[m]
88 #define OUTUNPACK(n, x, m) \  argument
90    put_unaligned_le32(x, out + (n) * 4)