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USAGE
   int scddhget(
           int handle );

PROTOTYPE IN
   sc_base.h

DESCRIPTION
   scddhget will read the data 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_SUCCESS   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;

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