.TH QCCWAVZEROTREEREAD 3 "QCCPACK" "".SH NAMEQccWAVZerotreeReadQccWAVZerotreeWrite \- read and write zerotree structures to.BR ZT -formatfiles.SH SYNOPSIS.B #include "libQccPack.h".sp.BI "int QccWAVZerotreeRead(QccWAVZerotree *" zerotree );.br.BI "int QccWAVZerotreeWrite(const QccWAVZerotree *" zerotree );.SH DESCRIPTION.LP.BR QccWAVZerotreeRead()reads the.BR ZT -formatfile specifed by.IR zerotree -> filenameinto .IR zerotree .If .I zerotreeis not already allocated (as evidenced by.IR zerotree -> zerotree= NULL), a call is made to.BR QccWAVZerotreeAlloc (3)to allocate space for the zerotree data before reading the file..LP.BR QccWAVZerotreeWrite()writes the zerotree structure in.I zerotreeas the.BR ZT -formatfile whose name is given as.IR zerotree -> filename ..SH "RETURN VALUE"These routines return 0 on success, and 1 on failure..SH "SEE ALSO".BR QccWAVZerotree (3),.BR QccPackWAV (3),.BR QccPack (3).LPJ. M. Shapiro,"Embedded Image Coding Using Zerotrees of Wavelet Coefficients,".IR "IEEE Transactions on Signal Processing" ,vol. 41, no. 12, pp. 3445-3462, December 1993..SH AUTHORCopyright (C) 1997-2005  James E. Fowler.\"  The programs herein are free software; you can redistribute them an.or.\"  modify them under the terms of the GNU General Public License.\"  as published by the Free Software Foundation; either version 2.\"  of the License, or (at your option) any later version..\"  .\"  These programs are distributed in the hope that they 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 these programs; if not, write to the Free Software.\"  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.