Function tomcrypt_sys::hmac_memory

pub unsafe extern "C" fn hmac_memory(
    hash: c_int, 
    key: *const c_uchar, 
    keylen: c_ulong, 
    in_: *const c_uchar, 
    inlen: c_ulong, 
    out: *mut c_uchar, 
    outlen: *mut c_ulong
) -> c_int