Replace use of deprecated C Standard library headers in C++ code.

Change-Id: I9fa6630c7e4bdb2897df34d417635d8c7d8253bc
Signed-off-by: Tyler Chatow <tchatow@gmail.com>
diff --git a/aos/network/sctp_server.h b/aos/network/sctp_server.h
index e18517a..d995c55 100644
--- a/aos/network/sctp_server.h
+++ b/aos/network/sctp_server.h
@@ -6,12 +6,13 @@
 #include <netdb.h>
 #include <netinet/in.h>
 #include <netinet/sctp.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <memory>
 #include <sys/socket.h>
 
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <memory>
+
 #include "aos/network/sctp_lib.h"
 #include "aos/unique_malloc_ptr.h"
 #include "glog/logging.h"
@@ -73,7 +74,6 @@
   int ppid_ = 1;
 };
 
-
 }  // namespace message_bridge
 }  // namespace aos