adds additional header and link to compile

build.bat

@@ -1,4 +1,4 @@
 @echo off
 
-cl /nologo /Zi main.c ws2_32.lib 
+cl /nologo /Zi main.c /link ws2_32.lib 
 

main.c

@@ -1,12 +1,12 @@
-#define WIN32_LEAN_AND_MEAN  // Say this...
-
-#include <windows.h> 
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
 #include <winsock2.h>
+#include <ws2tcpip.h>
+
 #include <stdio.h>
 #include <stdint.h>
 
-
-#pragma comment(lib, "Ws2_32.lib")
+#pragma comment(lib, "ws2_32.lib")
 
 
 /*
@@ -20,9 +20,9 @@ Address info
 - ai_addr: pointer sockaddr struct
 - ai_canonname: canonical hostname
 - ai_next: linked list to next node
-
 */
-typedef struct addrinfo {
+
+/*typedef struct addrinfo {
     int ai_flag; // address info flags
     int ai_family; // address info famitly ipv4/6
     int ai_socktype;
@@ -33,6 +33,7 @@ typedef struct addrinfo {
 
     addrinfo *ai_next;
 } addrinfo;
+*/
 
 /*
 Socket address info
@@ -40,12 +41,12 @@ Socket address info
 - sa_family: AF_XX (e.g AF_INET)
 - sa_data: 14 bytes of protocol address, the destination address as well as the port number
 */
-typedef struct sockaddr {
+/*typedef struct sockaddr {
     unsigned short sa_family;
     char *sa_data[14];
 
 } sockaddr;
-
+*/
 
 /*
 Socket Adress Internet (ipv4)
@@ -57,7 +58,7 @@ This struct is used to replace sockaddr in instances where family = AF_INET
 - sin_addr: address struct
 - sin_zero: padding to match sockaddr
 */
-typedef sockaddr_in {
+/*typedef sockaddr_in {
     short int sin_family;
     unsigned short int sin_port;
     in_addr sin_addr;
@@ -67,7 +68,7 @@ typedef sockaddr_in {
 typedef struct in_addr {
     uint32_t s_addr; 
 } in_addr;
-
+*/
 
 int main() 
 {
@@ -89,7 +90,16 @@ int main()
         }
     }
 
-    printf("hellow world!");
+
+    char ip4[INET_ADDRSTRLEN];
+    struct sockaddr_in sa; // ipv4 ip address
+
+    inet_pton(AF_INET, "10.12.110.57", &(sa.sin_addr));
+    inet_ntop(AF_INET, &(sa.sin_addr), ip4, INET_ADDRSTRLEN);
+
+    printf("the ipv4 address is: %s\n", ip4);
+
+    printf("hellow world!\n");
     return(0);
 }