F                 197 ext/fileinfo/libmagic/encoding.c #define F 0   /* character never appears in text */
F                 412 ext/fileinfo/libmagic/encoding.c #undef F
F                 231 ext/hash/hash_md.c #define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
F                 165 ext/hash/hash_sha.c #define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
F                 146 ext/standard/md5.c #define F(x, y, z)			((z) ^ ((x) & ((y) ^ (z))))
F                 124 ext/standard/sha1.c #define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))