Difference between revisions of "Dbakey()"

Revision as of 12:32, 2 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()