diff -Naur old/example/main_test.c new/example/main_test.c
--- old/example/main_test.c	1970-01-01 08:00:00.000000000 +0800
+++ new/example/main_test.c	2024-03-15 10:15:18.441348900 +0800
@@ -0,0 +1,113 @@
+#include <stdio.h>
+
+#include "ICElib.h"
+
+#define ICE_PROTOCOL_NAME "tcp"
+#define ICE_MAJOR_VERSION 1
+#define ICE_MINOR_VERSION 1
+
+extern void cIcePoProcessMsgProc(
+	IceConn ice_conn, 
+	IcePointer client_data, 
+	int opcode, 
+	unsigned long length, 
+	Bool swap,
+	IceReplyWaitInfo *reply_wait, 
+	Bool *reply_ready_ret
+);
+
+extern IcePoAuthStatus cIcePoAuthProc(
+	IceConn ice_conn, 
+	IcePointer *authStatePtr, 
+	Bool cleanUp, Bool swap,
+	int authDataLen, 
+	IcePointer authData, 
+	int *replyDataLenRet, 
+	IcePointer *replyDataRet, 
+	char **errorStringRet
+);
+
+// 假设的协议名称、供应商和版本信息
+const char *protocol_name = ICE_PROTOCOL_NAME;
+const char *vendor = "YourVendorName";
+const char *release = "1.0";
+
+// 假设的协议版本信息
+const int version_count = 1;
+IcePoVersionRec version_recs[] = {
+	{
+		ICE_MAJOR_VERSION, 
+		ICE_MINOR_VERSION, 
+		cIcePoProcessMsgProc
+	}
+};
+
+// 假设的认证机制名称和处理函数（这里只是占位符，需要实际实现）
+const int auth_count = 1;
+const char *auth_names[] = {"MIT-MAGIC-COOKIE-1"};
+IcePoAuthProc auth_procs[] = {cIcePoAuthProc}; // 你需要实现这个函数
+
+// callback
+void
+cIcePoProcessMsgProc(
+	IceConn ice_conn, 
+	IcePointer client_data, 
+	int opcode, 
+	unsigned long length, 
+	Bool swap,
+	IceReplyWaitInfo *reply_wait, 
+	Bool *reply_ready_ret
+)
+{
+	//pass
+	return;
+}
+
+IcePoAuthStatus
+cIcePoAuthProc(
+	IceConn ice_conn, 
+	IcePointer *authStatePtr, 
+	Bool cleanUp, 
+	Bool swap, 
+	int authDataLen,
+	IcePointer authData, 
+	int *replyDataLenRet, 
+	IcePointer *replyDataRet, 
+	char **errorStringRet
+)
+{
+	//pass
+	IcePoAuthStatus enumStatus = IcePoAuthHaveReply;
+	return enumStatus;
+}
+
+int
+main(int argc, char **argv)
+{
+	int iOpcode = 0;
+	int closeIceRegister = 1;
+	printf("main enter...\n");
+
+	iOpcode = IceRegisterForProtocolSetup(
+		protocol_name, 
+		vendor, release, 
+		version_count, 
+		version_recs, 
+		auth_count, 
+		auth_names, 
+		auth_procs, 
+		NULL
+	);
+	if (-1 == iOpcode)
+	{
+		printf("IceRegisterForProtocolSetup failed, iOpcode = %d\n", iOpcode);
+		return 0;
+	}
+	else
+	{
+		printf("IceRegisterForProtocolSetup successed, iOpcode = %d\n", iOpcode);
+	}
+	printf("main leave...\n");
+
+	return 0;
+}