You're reading the documentation for an older, but still supported version (GL013300).
For information on the latest version, please have a look at GL013301.

PACKAGE_RESTORE_LIST

This structure provides detailed information about the available restore package versions on the controller, including version names, installation dates, current version, and issue codes for recovery validation.

BYTE#	Field Name	Data Type	Value	Remarks
0	_szVersName	char[5][32]		List of up to 5 stored version names. Each version string has a maximum length of MAX_SYMBOL_SIZE (=32).
160	_szversDate	char[5][32]		Installation dates corresponding to each version name. Each date string uses the same MAX_SYMBOL_SIZE.
320	_szCurrVers	char[32]		Current active version name on the controller.
352	_iIssueCode	unsigned char[5]	0 ~ 255	Recovery issue code for each version. 0: OK, 1~: Error code

Total size: 357 bytes

Defined in: DRFS.h

typedef struct _PACKAGE_RESTORE_LIST
{
    /* version name */
    char                        _szVersName[5][MAX_SYMBOL_SIZE];
    /* install date */
    char                        _szversDate[5][MAX_SYMBOL_SIZE];
    /* current version */
    char                        _szCurrVers[MAX_SYMBOL_SIZE];
    /* recovery issue : ok(0), error(1~) */
    unsigned char               _iIssueCode[5];

} PACKAGE_RESTORE_LIST, *LPPACKAGE_RESTORE_LIST;