The TAPE_WRITE_MARKS structure describes the type and number of tapemarks to write.
typedef struct _TAPE_WRITE_MARKS { // twm 
    ULONG Type; 
    ULONG Count; 
} TAPE_WRITE_MARKS; 
 
| Value | Description | 
| TAPE_LONG_FILEMARKS | Writes long filemarks. | 
| TAPE_SEQUENTIAL_FILEMARKS | Writes sequential filemarks. | 
| TAPE_SETMARKS | Writes setmarks. | 
| TAPE_SHORT_FILEMARKS | Writes short filemarks. |