Function clang_getDiagnosticFixIt
unsafe fn clang_getDiagnosticFixIt(diagnostic: CXDiagnostic, index: c_uint, range: *mut CXSourceRange) -> CXStringclang_getDiagnosticFixItunsafe fn clang_getDiagnosticFixIt(diagnostic: CXDiagnostic, index: c_uint, range: *mut CXSourceRange) -> CXString