an_erase_db structure

Holds information needed to erase a database using the DBTools library.

• confirmrtn MSG_CALLBACK
  Address of a confirmation request callback routine or NULL.
• dbname const char *
  Database file name.
• encryption_key const char *
  The encryption key for the database file.
• erase a_bit_field
  Erase without confirmation (1) or with confirmation (0).
• errorrtn MSG_CALLBACK
  Address of an error message callback routine or NULL.
• msgrtn MSG_CALLBACK
  Address of an information message callback routine or NULL.
• quiet a_bit_field
  Operate without printing messages (1), or print messages (0).
• version unsigned short
  DBTools version number (DB_TOOLS_VERSION_NUMBER).