Deletes a key and its associated contents.
DBM Library (libdbm.a)
#include <dbm.h>
  delete ( key)
datum key;
The delete subroutine deletes a key and its associated contents.
| Item | Description | 
|---|---|
| key | Specifies the key to delete. | 
Upon successful completion, this subroutine returns a value of 0. If unsuccessful, the subroutine returns a negative value.