diff --git a/CMakeLists.txt b/CMakeLists.txt
index 74ee908..38821d9 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,10 +2,10 @@ cmake_minimum_required(VERSION 2.8)
 project(LibSpark)
 
 set (VERSION_MAJOR 2)
-set(VERSION_MINOR 2)
-set (VERSION_PATCH 1)
+set(VERSION_MINOR 3)
+set(VERSION_PATCH 0)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --std=gnu11 --pedantic")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --std=gnu11 --pedantic -DUSE_DEPRECATED")
 
 set(LIBRARY_OUTPUT_PATH "${PROJECT_SOURCE_DIR}/bin")
 set(INCLUDE_PATH "${PROJECT_SOURCE_DIR}/include")
diff --git a/include/ipv4.h b/include/ipv4.h
index 5eeb911..082df58 100755
--- a/include/ipv4.h
+++ b/include/ipv4.h
@@ -135,13 +135,15 @@ bool get_device_ipv4(char *iface_name, struct netaddr_ip *ip);
  */
 bool get_device_netmask(char *iface_name, struct netaddr_ip *netmask);
 
+#ifdef USE_DEPRECATED
+
 /**
  * @brief Parse string contains a ipv4 address in the form `000.000.000.000`.
  * @param ipstr String contains ipv4 address in the form `000.000.000.000`.
- * @param __OUT__ip Pointer to netaddr_ip structure.
+ * @param __OUT__ip Pointer to int(32bit).
  * @return Function returns true if the address has been converted, false otherwise.
  */
-bool parse_ipv4addr(char *ipstr, unsigned int *ip);
+bool parse_ipv4addr(char *ipstr, unsigned int *ip) __attribute__((deprecated));
 
 /**
  * @brief Obtains ipv4 address in the form `000.000.000.000`.
@@ -149,7 +151,7 @@ bool parse_ipv4addr(char *ipstr, unsigned int *ip);
  * @param _static Not allocate new memory, the result will be saved in internal static bufer.
  * @return Function returns string contains ip address.
  */
-char *get_stripv4(unsigned int *ip, bool _static);
+char *get_stripv4(unsigned int *ip, bool _static) __attribute__((deprecated));
 
 /**
  * @brief Obtains ipv4 address in the form `000.000.000.000`.
@@ -157,7 +159,35 @@ char *get_stripv4(unsigned int *ip, bool _static);
  * @param __OUT__ipstr Pointer to string of dimension IPV4STRLEN.
  * @return Function returns string contains ip address.
  */
-char *get_stripv4_r(unsigned int *ip, char *ipstr);
+char *get_stripv4_r(unsigned int *ip, char *ipstr) __attribute__((deprecated));
+
+#else
+
+/**
+ * @brief Parse string contains a ipv4 address in the form `000.000.000.000`.
+ * @param ipstr String contains ipv4 address in the form `000.000.000.000`.
+ * @param __OUT__ip Pointer to netaddr_ip structure.
+ * @return Function returns true if the address has been converted, false otherwise.
+ */
+bool parse_ipv4addr(char *ipstr, struct netaddr_ip *ip);
+
+/**
+ * @brief Obtains ipv4 address in the form `000.000.000.000`.
+ * @param __IN__ip Pointer to netaddr_ip structure.
+ * @param _static Not allocate new memory, the result will be saved in internal static bufer.
+ * @return Function returns string contains ip address.
+ */
+char *get_stripv4(struct netaddr_ip *ip, bool _static);
+
+/**
+ * @brief Obtains ipv4 address in the form `000.000.000.000`.
+ * @param __IN__ip Pointer to netaddr_ip structure.
+ * @param __OUT__ipstr Pointer to string of dimension IPV4STRLEN.
+ * @return Function returns string contains ip address.
+ */
+char *get_stripv4_r(struct netaddr_ip *ip, char *ipstr);
+
+#endif
 
 /**
  * @brief Built a new IPv4 packet.
diff --git a/src/ipv4.c b/src/ipv4.c
index 7538a6f..0e90ba8 100755
--- a/src/ipv4.c
+++ b/src/ipv4.c
@@ -99,6 +99,8 @@ bool get_device_netmask(char *iface_name, struct netaddr_ip *netmask) {
     return ret;
 }
 
+#ifdef USE_DEPRECATED
+
 bool parse_ipv4addr(char *ipstr, unsigned int *ip) {
     unsigned int ipaddr[IPV4ADDRSIZE];
     if (strlen(ipstr) >= IPV4STRLEN)
@@ -127,6 +129,38 @@ inline char *get_stripv4_r(unsigned int *ip, char *ipstr) {
     return ipstr;
 }
 
+#else
+
+bool parse_ipv4addr(char *ipstr, struct netaddr_ip *ip) {
+    unsigned int ipaddr[IPV4ADDRSIZE];
+    if (strlen(ipstr) >= IPV4STRLEN)
+        return false;
+    if (sscanf(ipstr, "%u.%u.%u.%u", ipaddr, ipaddr + 1, ipaddr + 2, ipaddr + 3) != 4)
+        return false;
+    if (ipaddr[0] > 255 || ipaddr[1] > 255 || ipaddr[2] > 255 || ipaddr[3] > 255)
+        return false;
+    if (ip != NULL)
+        ip->ip = (ipaddr[3] << 24 | ipaddr[2] << 16 | ipaddr[1] << 8 | ipaddr[0]);
+    return true;
+}
+
+char *get_stripv4(struct netaddr_ip *ip, bool _static) {
+    static char static_buf[IPV4STRLEN];
+    char *ipstr = static_buf;
+    if (!_static) {
+        if ((ipstr = (char *) malloc(IPV4STRLEN)) == NULL)
+            return NULL;
+    }
+    return get_stripv4_r(ip, ipstr);
+}
+
+inline char *get_stripv4_r(struct netaddr_ip *ip, char *ipstr) {
+    sprintf(ipstr, "%u.%u.%u.%u", (ip->ip) & 0xFF, (ip->ip) >> 8 & 0xFF, (ip->ip) >> 16 & 0xFF, (ip->ip) >> 24 & 0xFF);
+    return ipstr;
+}
+
+#endif
+
 struct Ipv4Header *build_ipv4_packet(struct netaddr_ip *src, struct netaddr_ip *dst, unsigned char ihl,
                                      unsigned short id, unsigned char ttl, unsigned char proto, unsigned short paysize,
                                      unsigned char *payload) {