Index: trunk/Ohana/src/addstar/include/addstar.h
===================================================================
--- trunk/Ohana/src/addstar/include/addstar.h	(revision 34405)
+++ trunk/Ohana/src/addstar/include/addstar.h	(revision 35263)
@@ -56,4 +56,16 @@
   char *refcat;
 } DVO_DATA;
+
+# define IDTYPE int
+
+typedef struct {
+  IDTYPE Nimage;
+  IDTYPE minID;
+  IDTYPE maxID;
+  IDTYPE range;
+  IDTYPE *imageID;
+  IDTYPE *externID;
+  char *found;
+} ImageIndex;
 
 typedef struct sockaddr_in SockAddress;
@@ -275,4 +287,7 @@
 int UpdateImageIDs (Stars *stars, unsigned int Nstars, Image *images, off_t Nimages);
 
+int CheckDuplicateImageIDs (Image *images, off_t Nimages);
+int ImageIndexFileInit ();
+
 int LoadDataSDSS (FILE *f, char *file, Image **images, off_t *nvalid, Stars **stars, unsigned int *Nstars, Header **headers, off_t *extsize, HeaderSet *headerSets, off_t Nimages);
 int LoadDataPMM (FILE *f, char *file, Image **images, off_t *nvalid, Stars **stars, unsigned int *Nstars);