Function libsodium_sys::crypto_secretbox_open_easy

pub unsafe extern fn crypto_secretbox_open_easy(m: *mut u8,
                                                c: *const u8,
                                                clen: c_ulonglong,
                                                n: *const [u8; 24],
                                                k: *const [u8; 32])
                                                -> c_int