when I try to run Ordinal, I got error message:
this application has failed to start because zlib1.dll was not found. Re-installing the application may fix this problem.

I try to access this dll with c#:

using System;
using System.Runtime.InteropServices;
namespace DllCall {
class Program {
[System.Runtime.InteropServices.DllImport("zlib1.dll")]
public static extern System.String zlibVersion();
static void Main(string[] args) {
string s = zlibVersion();
} }}

But C?