playtest-unity/playtest/Library/PackageCache/com.unity.ide.rider@3.0.21/Rider/Editor/Util/LibcNativeInterop.cs

using System;
using System.Runtime.InteropServices;
using System.Text;

namespace Packages.Rider.Editor.Util
{
  internal static class LibcNativeInterop
  {
    [DllImport("libc", SetLastError = true)] 
    public static extern IntPtr realpath(string path, StringBuilder resolved_path);
  }
}