| Value | Meaning | 
|---|---|
| none0 | Indicates that no error occurred while saving a translation unit.  | 
| unknown1 | Indicates that an unknown error occurred while attempting to save the file. This error typically indicates that file I/O failed when attempting to write the file.  | 
| translationErrors2 | Indicates that errors during translation prevented this attempt to save the translation unit. Errors that prevent the translation unit from being saved can be extracted using \c clang_getNumDiagnostics() and \c clang_getDiagnostic().  | 
| invalidTU3 | Indicates that the translation unit to be saved was somehow invalid (e.g., NULL).  | 
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Describes the kind of error that occurred (if any) in a call to \c clang_saveTranslationUnit().