uint static_sequence_wvtree::save(FILE * fp) {
uint wr = WVTREE_HDR;
wr = fwrite(&wr,sizeof(uint),1,fp);
uint static_sequence_wvtree::save(FILE * fp) {
uint wr = WVTREE_HDR;
wr = fwrite(&wr,sizeof(uint),1,fp);
if(wr!=1) return 1;
wr = fwrite(&n,sizeof(uint),1,fp);
if(wr!=1) return 1;
wr = fwrite(&n,sizeof(uint),1,fp);