Difference between revisions of "Dbakey()"

Revision as of 10:38, 15 April 2009

PURPOSE

add key

SYNOPSIS

#include<dbl.h>
 
    int    dbakey(ndx, key, recno)
 
    <input parameters>
    char    *ndx;   /* .NDX file descriptor */
    char    key;    /* Address of a buffer containing the key */
    long    recno;  /* Record number */
 
    <output parameters>
    none

RETURN VALUE

The dbakey() function returns 0 for success, or<0 if an error occurs. See the section on return code values for a detailed list of return codes.

DESCRIPTION

This function adds a key with its associated record number to the specified .NDX file which contains keys in a B-tree structure.

EXAMPLE

The following example adds a character key "John Smith 5" and its associated record number 5 to the index file whose descriptor is in "char *ndx".

#include "dbl.h"
 
char    *ndx;    /* .NDX file descriptor */
int     rc;      /* Return code */
 
rc=dbakey(ndx,"John Smith 5". (long)5);
if (rc = = SUCCESS) printf("key added \n");
else 
{
    printf("error number %d \n", rc);
    exit (1);
}

SEE ALSO

dbatokey(), dbicreat(), dbiflsh(), dbrmvkey(), dbtkey(), dbupdr()