gdbm_firstkey
This returns the first key, in hash order, in the gdbm database.
gdbm_firstkey name
name is the name of a gdbm database previously opened with gdbm_open.
If no keys are present, then this command returns a null string.
This returns the first key, in hash order, in the gdbm database.
gdbm_firstkey name
name is the name of a gdbm database previously opened with gdbm_open.
If no keys are present, then this command returns a null string.