Function clang_sys::clang_createTranslationUnitFromSourceFile

pub unsafe extern fn clang_createTranslationUnitFromSourceFile(index: CXIndex,
                                                               file: *const c_char,
                                                               n_arguments: c_int,
                                                               arguments: *const *const c_char,
                                                               n_unsaved: c_uint,
                                                               unsaved: *mut CXUnsavedFile)
                                                               -> CXTranslationUnit