Implemented package specific structs

examples/server/server.q

@@ -3,13 +3,6 @@
 // [2] curl http://127.0.0.1:8080
 import sys
 
-struct sockaddr_in {
-	sin_family Int16
-	sin_port Int16
-	sin_addr Int64
-	sin_zero Int64
-}
-
 main() {
 	socket := sys.socket(2, 1, 0)
 
@@ -18,7 +11,7 @@ main() {
 		sys.exit(1)
 	}
 
-	addr := new(sockaddr_in)
+	addr := new(sys.sockaddr_in)
 	addr.sin_family = 2
 	addr.sin_port = 0x901F
 	addr.sin_addr = 0