[exception.syn]

# 17 Language support library [[support]](./#support)

## 17.9 Exception handling [[support.exception]](support.exception#exception.syn)

### 17.9.2 Header <exception> synopsis [exception.syn]

// all freestandingnamespace std {class exception; class bad_exception; class nested_exception; using terminate_handler = void (*)();
 terminate_handler get_terminate() noexcept;
 terminate_handler set_terminate(terminate_handler f) noexcept; [[noreturn]] void terminate() noexcept; constexpr int uncaught_exceptions() noexcept; using exception_ptr = *unspecified*; constexpr exception_ptr current_exception() noexcept; [[noreturn]] constexpr void rethrow_exception(exception_ptr p); template<class E> constexpr exception_ptr make_exception_ptr(E e) noexcept; template<class E> constexpr const E* exception_ptr_cast(const exception_ptr& p) noexcept; template<class E> void exception_ptr_cast(const exception_ptr&&) = delete; template<class T> [[noreturn]] constexpr void throw_with_nested(T&& t); template<class E> constexpr void rethrow_if_nested(const E& e);}