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USAGE
   int scdihget(
           int handle );

PROTOTYPE IN
   sc_base.h

DESCRIPTION
   scdihget will read the index file header. This function should
   be called after the data file has been locked in order to reload the
   current file header information.

RETURN VALUES
   SC_SUCCESSb   header read successfully
   SC_RDFAIL   file read failure
   SC_SKFAIL   file pointer reposition failed
   SC_BADHNDL  invalid handle number

EXAMPLE
   #include <stdio.h>
   #include <softc.h>
   #include <sc_base.h>

   void main()
   {
     int dbf, idx;

     scdinit(20,0);
     if (scddopenx(&dbf,"TOC.DBF",SC_SHARED) == SC_SUCCESS) {
       scdiopenx(&idx,"TOCNAME.IDX",SC_SHARED);
       scddlock(dbf);
       scddhget(dbf);
       scdihget(ntx);
     /* append records - add keys - etc. */
       scddunlock(dbf);
       scddclose(dbf);
     }
     scdterm();
   }