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USAGE
   int scdckfind(
           int handle,
           void *key,
           long *recno,
           int method );

PROTOTYPE IN
   sc_base.h

DESCRIPTION
   scdckfind supports two key search methods (determined by method):
   SC_EXACT - find an exact match with key and recno, and
   SC_FIRST - find the first logical occurrence of key in the index
   and return the associated record number recno if found.

   If a match cannot be found, the current key will be the physical key which
   would immediately precede key. The current key's value and data record
   number will be returned in key and recno.

NOTES
   The user must ensure that the buffer used to return the key is large
   enough to hold the entire key. The maximum length of the key can be
   determined via a call to scdcinfo.

   When searching it is not necessary to pad the key string to size with
   spaces (" "), the function will automatically do this for you.

   Searching for partial keys can be accomplished by using the SC_FIRST
   method. For example, you are using a fifteen character key and you want to
   find the first entry where the first five characters are "ABCDE". All you
   need do is copy that five character ASCIIZ string into your key buffer and
   then call scdckfind. The function will space pad to length and then
   find the first matching entry.

   All keys are returned as strings.

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

   void main()
   {
     int ntx;
     char key[65];
     long recno;

     scdinit(20,0);
     if (scdcopenx(&ntx, "TOCNAME.NTX", SC_BUFFER) == SC_SUCCESS) {
       strcpy(key,"ABCDE.XYZ");
       recno = 7L;
       if (scdckfind(ntx,key,&recno,SC_FIRST) != SC_SUCCESS)
         printf("%s\n",scemsg());
       else
         printf("%s %ld\n",key,recno);
       scdcclose(ntx);
     }
     scdterm();
   }