Function libsodium::crypto_aead_chacha20poly1305_encrypt

pub unsafe extern "C" fn crypto_aead_chacha20poly1305_encrypt(
    c: *mut c_uchar, 
    clen: *mut c_ulonglong, 
    m: *const c_uchar, 
    mlen: c_ulonglong, 
    ad: *const c_uchar, 
    adlen: c_ulonglong, 
    nsec: *const c_uchar, 
    npub: *const c_uchar, 
    k: *const c_uchar
) -> c_int