305 #define F2(D, m, r)  ((I = ((m) ^ (D))), (I = rol32(I, (r))),   \  macro
338 	t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);  in __cast5_encrypt()
341 	t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);  in __cast5_encrypt()
344 	t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);  in __cast5_encrypt()
347 	t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);  in __cast5_encrypt()
351 		t = l; l = r; r = t ^ F2(r, Km[13], Kr[13]);  in __cast5_encrypt()
386 		t = l; l = r; r = t ^ F2(r, Km[13], Kr[13]);  in __cast5_decrypt()
390 	t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);  in __cast5_decrypt()
393 	t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);  in __cast5_decrypt()
396 	t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);  in __cast5_decrypt()
399 	t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);  in __cast5_decrypt()