U8TO64_LE          64 src/shared/siphash24.c   u64 k0 = U8TO64_LE( k );
U8TO64_LE          65 src/shared/siphash24.c   u64 k1 = U8TO64_LE( k + 8 );
U8TO64_LE          78 src/shared/siphash24.c     m = U8TO64_LE( in );