| Format of IFSHLP.SYS entry point record | 
| Offset | Size | Description | |
|---|---|---|---|
| 00h | 4 BYTEs | (call) | required signature if called via IOCTL 70h E9h 34h 37h for Windows 3.11 70h E9h 35h 37h for Windows 3.11 | 
| (ret) | signature 34h 37h 70h EFh (Windows 3.11) | ||
| (ret) | signature 35h 37h 70h EFh (Windows95) | ||
| 04h | DWORD | (ret) | pointer to FAR call entry point (see #01416) |