public static extern void nim_friend_request( [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string accid, NIMVerifyType verify_type, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string msg, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string json_extension, Friend.Delegate.FriendOperationDelegate cb, IntPtr user_data);
public static extern void nim_friend_update( [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string friend_json, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string json_extension, Friend.Delegate.FriendOperationDelegate cb, IntPtr user_data);