F4 133 ext/hash/hash_haval.c #define F4(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x3) & (x4) & (x6)) ^ \ F4 144 ext/hash/hash_ripemd.c #define F4(x,y,z) ((x) ^ ((y) | (~(z)))) F4 137 ext/json/JSON_parser.c F4, /* false */ F4 3417 sapi/litespeed/lsapilib.c #define F4(x, y, z) (y ^ (x | ~z))