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diff --git a/listati/TCP_echod_first_main.c b/listati/TCP_echod_first_main.c
new file mode 100644
index 0000000..3f69e89
--- /dev/null
+++ b/listati/TCP_echod_first_main.c
@@ -0,0 +1,26 @@
+    ...
+    /* main body */
+    if (listen(list_fd, BACKLOG) < 0 ) { /* listen on socket */
+	PrintErr("listen error");
+	exit(1);
+    }
+    while (1) {                          /* handle echo to client */
+	len = sizeof(cli_add);
+	if ( (conn_fd = accept(list_fd, NULL, NULL)) < 0) { 
+	    PrintErr("accept error");
+	    exit(1);
+	}
+	if ( (pid = fork()) < 0 ) { 	 /* fork to handle connection */
+	    PrintErr("fork error");
+	    exit(1);
+	}
+	if (pid == 0) {      /* child */
+	    close(list_fd);          /* close listening socket */   
+	    ServEcho(conn_fd);       /* handle echo */
+	    exit(0);
+	} else {             /* parent */
+	    close(conn_fd);          /* close connected socket */
+	}
+    }
+    exit(0);     /* normal exit, never reached */
+}