Accesses data stored under a key.
DBM Library (libdbm.a)
#include <dbm.h>
datum fetch ( key)
datum key;
The fetch subroutine accesses data stored under a key.
Item | Description |
---|---|
key | Specifies the input key. |
Upon successful completion, this subroutine returns data corresponding to the specified key. If the subroutine is unsuccessful, a null value is indicated in the dptr field of the returned datum structure.