EXTRACT_NIBBLE 4996 dev/ic/rtw.c caesar[EXTRACT_NIBBLE(val, 2)] | EXTRACT_NIBBLE 4997 dev/ic/rtw.c (caesar[EXTRACT_NIBBLE(val, 1)] << 4) | EXTRACT_NIBBLE 4998 dev/ic/rtw.c (caesar[EXTRACT_NIBBLE(val, 0)] << 8) | EXTRACT_NIBBLE 5001 dev/ic/rtw.c (caesar[EXTRACT_NIBBLE(val, 3)] << 24);