Function openssl_sys::SSL_CTX_get_ex_new_index

pub unsafe extern fn SSL_CTX_get_ex_new_index(argl: c_long,
                                              argp: *mut c_void,
                                              new_func: Option<CRYPTO_EX_new>,
                                              dup_func: Option<CRYPTO_EX_dup>,
                                              free_func: Option<CRYPTO_EX_free>)
                                              -> c_int