Function libsodium_sys::crypto_box_curve25519xsalsa20poly1305_beforenm

pub unsafe extern "C" fn crypto_box_curve25519xsalsa20poly1305_beforenm(
    k: *mut [u8; 32], 
    pk: *const [u8; 32], 
    sk: *const [u8; 32]
) -> c_int