DROP_BITS         179 jdhuff.c           DROP_BITS(nb); \
DROP_BITS        1143 jdhuff.c       	  DROP_BITS(s);
DROP_BITS        1158 jdhuff.c       	  DROP_BITS(s);
DROP_BITS        1267 jdhuff.c       	  DROP_BITS(s);
DROP_BITS        1282 jdhuff.c       	  DROP_BITS(s);