enum EBookStatus
typedef enum {
	E_BOOK_ERROR_OK,
	E_BOOK_ERROR_INVALID_ARG,
	E_BOOK_ERROR_BUSY,
	E_BOOK_ERROR_REPOSITORY_OFFLINE,
	E_BOOK_ERROR_NO_SUCH_BOOK,
	E_BOOK_ERROR_NO_SELF_CONTACT,
	E_BOOK_ERROR_SOURCE_NOT_LOADED,
	E_BOOK_ERROR_SOURCE_ALREADY_LOADED,
	E_BOOK_ERROR_PERMISSION_DENIED,
	E_BOOK_ERROR_CONTACT_NOT_FOUND,
	E_BOOK_ERROR_CONTACT_ID_ALREADY_EXISTS,
	E_BOOK_ERROR_PROTOCOL_NOT_SUPPORTED,
	E_BOOK_ERROR_CANCELLED,
	E_BOOK_ERROR_COULD_NOT_CANCEL,
	E_BOOK_ERROR_AUTHENTICATION_FAILED,
	E_BOOK_ERROR_AUTHENTICATION_REQUIRED,
	E_BOOK_ERROR_TLS_NOT_AVAILABLE,
	E_BOOK_ERROR_DBUS_EXCEPTION,
	E_BOOK_ERROR_NO_SUCH_SOURCE,
	E_BOOK_ERROR_OFFLINE_UNAVAILABLE,
	E_BOOK_ERROR_OTHER_ERROR,
	E_BOOK_ERROR_INVALID_SERVER_VERSION,
	E_BOOK_ERROR_UNSUPPORTED_AUTHENTICATION_METHOD,
	E_BOOK_ERROR_NO_SPACE,
	E_BOOK_ERROR_NOT_SUPPORTED
} EBookStatus;
| E_BOOK_ERROR_OK
 |  | 
| E_BOOK_ERROR_INVALID_ARG
 |  | 
| E_BOOK_ERROR_BUSY
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| E_BOOK_ERROR_REPOSITORY_OFFLINE
 |  | 
| E_BOOK_ERROR_NO_SUCH_BOOK
 |  | 
| E_BOOK_ERROR_NO_SELF_CONTACT
 |  | 
| E_BOOK_ERROR_SOURCE_NOT_LOADED
 |  | 
| E_BOOK_ERROR_SOURCE_ALREADY_LOADED
 |  | 
| E_BOOK_ERROR_PERMISSION_DENIED
 |  | 
| E_BOOK_ERROR_CONTACT_NOT_FOUND
 |  | 
| E_BOOK_ERROR_CONTACT_ID_ALREADY_EXISTS
 |  | 
| E_BOOK_ERROR_PROTOCOL_NOT_SUPPORTED
 |  | 
| E_BOOK_ERROR_CANCELLED
 |  | 
| E_BOOK_ERROR_COULD_NOT_CANCEL
 |  | 
| E_BOOK_ERROR_AUTHENTICATION_FAILED
 |  | 
| E_BOOK_ERROR_AUTHENTICATION_REQUIRED
 |  | 
| E_BOOK_ERROR_TLS_NOT_AVAILABLE
 |  | 
| E_BOOK_ERROR_DBUS_EXCEPTION
 |  | 
| E_BOOK_ERROR_NO_SUCH_SOURCE
 |  | 
| E_BOOK_ERROR_OFFLINE_UNAVAILABLE
 |  | 
| E_BOOK_ERROR_OTHER_ERROR
 |  | 
| E_BOOK_ERROR_INVALID_SERVER_VERSION
 |  | 
| E_BOOK_ERROR_UNSUPPORTED_AUTHENTICATION_METHOD
 |  | 
| E_BOOK_ERROR_NO_SPACE
 |  | 
| E_BOOK_ERROR_NOT_SUPPORTED
 |  |