Linux Certif

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tdb_exists

NAME

tdb_exists - check for the existence of a record in a tdb database

SYNOPSIS

 #include <tdb.h>
 
 int tdb_exists(TDB_CONTEXT *tdb, TDB_DATA key);
 
 

 

DESCRIPTION

Test to see if a key exists. tdb is a pointer returned by tdb_open and key is a lump of data that is used as the index into the database. The TDB_DATA structure is defined as:

 typedef struct {
         char *dptr;
         size_t dsize;
 } TDB_DATA;
 

RETURN VALUE

If the key is found, 1 is returned; otherwise 0 is returned.

AUTHORS

Software: Andrew Tridgell <tridge@linuxcare.com> and Luke Kenneth Casson Leighton Man page: Ben Woodard <ben@valinux.com>

SEE ALSO

gdbm(3), tdb(3)