| IO | Parameter | Type | Description
|
| in | thePrompt | Str255 |
|
| in | theDefaultFileName | Str255 |
|
| in | theOptionalDosFileType | Str255 |
|
| out | theMacVolumeRef | integer |
|
| out | theMacDirID | longint |
|
| out | theDosDirPath | Str255 |
|
| out | theFileName | Str255 |
|
| out | theReplacingFlag | integer | A boolean constant
|
| out | function result | OSErr | Error result code, also see Error handling
|