Function rust_sodium_sys::crypto_box_curve25519xsalsa20poly1305_open_afternm

pub unsafe extern fn crypto_box_curve25519xsalsa20poly1305_open_afternm(m: *mut u8,
                                                                        c: *const u8,
                                                                        clen: c_ulonglong,
                                                                        n: *const u8,
                                                                        k: *const u8)
                                                                        -> c_int