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X-Hacker.org- SoftC Database Library v2.1 Guide - usage http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
USAGE
   int scdikfind(
           int handle,
           void *key,
           long *recno,
           int method );

PROTOTYPE IN
   sc_base.h

DESCRIPTION
   scdikfind 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 scdiinfo.

   When searching using character keys it is necessary to pad the key string
   to size with spaces (" "), the function will not automatically do this for
   you. Because of the above restriction, searching for partial keys is not
   currently supported.

   Numeric keys are returned as doubles, and character keys are returned as
   strings.

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

   void main()
   {
     int idx;
     char name[65];
     long recno;

     scdinit(20,0);
     if (scdiopenx(&idx, "TOCNAME.IDX", SC_BUFFER) == SC_SUCCESS) {
       strcpy(name,"ABCDE");
       recno = 7L;
       if (scdikfind(idx, name, &recno, SC_FIRST) != SC_SUCCESS)
         puts(scemsg());
       scdiclose(idx);
     }
     scdterm();
   }

See Also: scdiinfo

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