Difference between revisions of "Dbakey()"

Latest revision as of 00:26, 2 June 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()