pub unsafe extern "C" fn crypto_aead_chacha20poly1305_ietf_encrypt_detached( c: *mut u8, mac: *mut u8, maclen_p: *mut c_ulonglong, m: *const u8, mlen: c_ulonglong, ad: *const u8, adlen: c_ulonglong, nsec: *const [u8; 0], npub: *const [u8; 12], k: *const [u8; 32]) -> c_int