Symbol: f4
crypto/krb5/src/lib/crypto/builtin/aes/aestab.c
159
#define f4(x) ((x<<2) ^ (((x>>6) & 1) * WPOLY) ^ (((x>>6) & 2) * WPOLY))
crypto/krb5/src/lib/crypto/builtin/sha1/shs.c
17
#define f4(x,y,z) ( x ^ y ^ z ) /* Rounds 60-79 */