| Item | Description |
| HS_Add() | Adds a text string entry to a HiPer-SEEK index file. |
| HS_Close() | Closes a HiPer-SEEK index file. |
| HS_Create() | Creates a new HiPer-SEEK index file. |
| HS_Delete() | Marks an index entry as deleted in a HiPer-SEEK index file. |
| HS_Filter() | Uses a HiPer-SEEK index file as filter for a work area |
| HS_IfDel() | Checks if a HiPer-SEEK index entry is marked as deleted |
| HS_Index() | Creates a new HiPer-SEEK index file and fills it with index entries. |
| HS_KeyCount() | Returns the number of index entries in a HiPer-SEEK index file. |
| HS_Next() | Searches a HiPer-SEEK index file for a matching index entry. |
| HS_Open() | Opens a HiPer-SEEK index file. |
| HS_Replace() | Changes a HiPer-SEEK index entry. |
| HS_Set() | Defines a search string for subsequent HS_Next() calls. |
| HS_Undelete() | Removes the deletion mark from an index entry in a HiPer-SEEK index file. |
| HS_Verify() | Verifies a HS_Next() match against the index key. |
| HS_Version() | Returns version information for HiPer-SEEK functions. |
