Accesses data stored under a key.
C Library (libc.a)
The dbm_fetch subroutine accesses data stored under a key.
| Item | Description | 
|---|---|
| db | Specifies the database to access. | 
| key | Specifies the input key. | 
Upon successful completion, this subroutine returns a datum structure containing the value returned for the specified key. If the subroutine is unsuccessful, a null value is indicated in the dptr field of the datum structure.