r#"static void f1(c_fn_32c_int4232mut3232c_void_t cb) noexcept;"#;
r#"typedef void (*c_fn_32c_int4232mut3232c_void_t)(int, void *);"#;
r#"static void f2(c_fn_4232mut3232c_void_t cb) noexcept;"#;
r#"typedef void (*c_fn_4232mut3232c_void_t)(void *);"#;
r#"static void f3(c_fn_4232mut3232c_void_ret_32c_char_t cb) noexcept;"#;
r#"typedef char (*c_fn_4232mut3232c_void_ret_32c_char_t)(void *);"#;