| mfsHInitDiskBoot | Initializing Library DISK Boot |
| mfsHInitCasBoot | Initializing Library Cassette Boot |
| mfsHMediaCheck | Checking Media |
| mfsHMediaFormat | Formatting Media |
| mfsHFopen | Opening a file |
| mfsHFread | Reading Data |
| mfsHFwrite | Writing Data |
| mfsHFclose | Closing a File |
| mfsHFseek | Seeking Head |
| mfsHFtell | Obtaining a File Location |
| mfsHFstat | Obtaining a File Information |
| mfsHFgetAttr | Obtaining a File Attribute |
| mfsHFsetAttr | Setting a File Attribute |
| mfsHFgetCopyCount | Obtaining Copy Counter in a File |
| mfsHFsetCopyCount | Setting Copy Counter |
| mfsHFgetRC | Obtaining Renewal File Counter |
| mfsHFresetRC | Resetting Renewal Counter Value |
| mfsHRemoveFile | Deleting a File |
| mfsHRenameFile | Changing a File Name |
| mfsHGetFileCopyCount | Obtaining Copy Counter in a File |
| mfsHSetFileCopyCount | Setting Copy Counter in a File |
| mfsHGetAttr | Obtaining a Attribute in a File/Directory |
| mfsHSetAttr | Setting Attribute in a File/Directory |
| mfsHGetRC | Obtaining a Value in Renewal Directory Counter |
| mfsHResetRC | Resetting Renewal Counter |
| mfsHGetStat | Obtaining an Information on File/Directory |
| mfsHGetCwd | Obtaining the Current Directory |
| mfsHChDir | Changing the Current Directory |
| mfsHRmDir | Deleting a Directory |
| mfsHMkDir | Creating a Directory |
| mfsHGetVolumeInfo | Obtaining a Volume Information |
| mfsHGetVolumeAttr | Obtaining a Volume Attribute |
| mfsHSetVolumeAttr | Setting a Volume Attribute |
| mfsHGetVolumeRC | Obtaining Renewal Counter in Volume |
| mfsHResetVolumeRC | Resetting Renewal Counter in Volume |
| mfsHFnsplit | Splitting a Path Name in Members |
| mfsHFnmerge | Creating a Path Name with assorting factors |
| mfsHGetDisk | Obtaining the Current Drive Number |
| mfsHSetDisk | Changing the Current Drive |
| mfsHFindFirst | Searching a Directory |
| mfsHFindNext | Searching a File Cont. |