S64               143 srclib/apr/random/unix/sha2.c #define Sigma0_512(x)   (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
S64               144 srclib/apr/random/unix/sha2.c #define Sigma1_512(x)   (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
S64               145 srclib/apr/random/unix/sha2.c #define sigma0_512(x)   (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7,   (x)))
S64               146 srclib/apr/random/unix/sha2.c #define sigma1_512(x)   (S64(19, (x)) ^ S64(61, (x)) ^ R( 6,   (x)))