CALC_K_2          550 crypto/twofish_common.c    x = CALC_K_2 (k, l, k, l, 0); \
CALC_K_2          551 crypto/twofish_common.c    y = CALC_K_2 (m, n, m, n, 4); \
CALC_K_2          557 crypto/twofish_common.c    CALC_K_2 (q0[a ^ key[(j) + 16]], \