H 233 ext/hash/hash_md.c #define H(x, y, z) ((x) ^ (y) ^ (z)) H 167 ext/hash/hash_sha.c #define H(x, y, z) (((x) & (y)) | ((z) & ((x) | (y)))) H 148 ext/standard/md5.c #define H(x, y, z) ((x) ^ (y) ^ (z)) H 126 ext/standard/sha1.c #define H(x, y, z) (((x) & (y)) | ((z) & ((x) | (y))))