int getPosFromTreeInfo(TreeInfo *);
TreeInfo *getTreeInfoFromPos(TreeInfo *, int);
TreeInfo *getTreeInfoFromIdentifier(TreeInfo *, char *);
-void dumpTreeInfo(TreeInfo *, int);
+int dumpTreeInfo(TreeInfo *, int);
void sortTreeInfoBySortFunction(TreeInfo **,
int (*compare_function)(const void *,
const void *));