emit_ac_symbol    472 jchuff.c           emit_ac_symbol(entropy, entropy->ac_tbl_no, nbits << 4);
emit_ac_symbol    687 jchuff.c             emit_ac_symbol(entropy, entropy->ac_tbl_no, 0xF0);
emit_ac_symbol    700 jchuff.c           emit_ac_symbol(entropy, entropy->ac_tbl_no, (r << 4) + nbits);
emit_ac_symbol    849 jchuff.c             emit_ac_symbol(entropy, entropy->ac_tbl_no, 0xF0);
emit_ac_symbol    872 jchuff.c           emit_ac_symbol(entropy, entropy->ac_tbl_no, (r << 4) + 1);