libsodium_sys

Function crypto_aead_chacha20poly1305_decrypt

Source 
pub unsafe extern "C" fn crypto_aead_chacha20poly1305_decrypt(
    m: *mut c_uchar,
    mlen_p: *mut c_ulonglong,
    nsec: *mut c_uchar,
    c: *const c_uchar,
    clen: c_ulonglong,
    ad: *const c_uchar,
    adlen: c_ulonglong,
    npub: *const c_uchar,
    k: *const c_uchar,
) -> c_int