swap_bytes
swap_bytes(W, Key);
swap_bytes(W, Key);
swap_bytes(W, Key);
swap_bytes(W, Key);
swap_bytes(&state->perm[i], &state->perm[j]);
swap_bytes(&state->perm[state->index1],
case 2 : swapf = ( pf->swap_bytes ? 0 : BSWAP );
case 4 : if ( pf->swap_bytes )
( pf1->swap_bytes == pf2->swap_bytes ) &&
unsigned swap_bytes :1; /* Bytes swapped within shorts */