/****************************************************************************    Huffman coding     Copyright (C) 2017 Krzysztof Nikiel     This program is free software: you can redistribute it and/or modify    it under the terms of the GNU General Public License as published by    the Free Software Foundation, either version 3 of the License, or    (at your option) any later version.     This program is distributed in the hope that it will be useful,    but WITHOUT ANY WARRANTY; without even the implied warranty of    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    GNU General Public License for more details.     You should have received a copy of the GNU General Public License    along with this program.  If not, see <http://www.gnu.org/licenses/>.****************************************************************************/ #include "bitstream.h" enum {    HCB_ZERO = 0,    HCB_ESC = 11,    HCB_PNS = 13,    HCB_INTENSITY2 = 14,    HCB_INTENSITY = 15,    HCB_NONE}; int huffbook(CoderInfo *coderInfo,             int *qs /* quantized spectrum */,             int len);int writebooks(CoderInfo *coder, BitStream *stream, int writeFlag);int writesf(CoderInfo *coder, BitStream *bitStream, int writeFlag);