D_KEYREAD (1)
read the most recently found key
SYNOPSIS
#include <typhoon.h>
d_keyread(void *buf)
DESCRIPTION
d_keyread copies the contents of the most recently accessed key
field specified by fieldid
into the buffer buf. This can be used to determine the contents
of a key's fields without actually reading the record.
DIAGNOSTICS
The status code returned by the function is also stored in the global
variable db_status.
S_OKAY
S_NOCD
There is no current database.
S_NOCR
There is no current record.
None.
EXAMPLE
/* Find the smallest customer name */
#include <typhoon.h>
if( d_keyfrst(CUSTOMER_NAME) == S_OKAY )
{
char name[30];
d_keyread(name);
printf("Name %s\\n", name);
}
IDENTIFICATION
Author: Thomas B. Pedersen.
Copyright (c) 1994 Thomas B. Pedersen.
SEE ALSO
- d_recread (1) -
- d_crread (1) -
Id Rv $3 Dt $4 iD $3 $4 $5 $6 $7 $Id: d_open (3) v 1 1 1995/06/12 18:58:14 tbp Exp $ r s-1TYPHOON s0 n ds - %-- t ds - (em
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