Function libsodium_sys::crypto_stream_salsa2012_xor

pub unsafe extern "C" fn crypto_stream_salsa2012_xor(
    c: *mut u8, 
    m: *const u8, 
    mlen: c_ulonglong, 
    n: *const [u8; 8], 
    k: *const [u8; 32]
) -> c_int