F2 130 ext/hash/hash_haval.c #define F2(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x1) & (x2)) ^ ((x1) & (x4)) ^ \ F2 142 ext/hash/hash_ripemd.c #define F2(x,y,z) (((x) | (~(y))) ^ (z)) F2 135 ext/json/JSON_parser.c F2, /* fal */