add go code

diff --git a/ten-k/2505-03.xyz.md b/ten-k/2505-03.xyz.md
index d600892b41557d1342a0aba527c495b1f90af435..456956a1002145fa612bf2d13a6c3d9cda3d4d87 100644 (file)
--- a/ten-k/2505-03.xyz.md
+++ b/ten-k/2505-03.xyz.md
@@ -1,3 +1,51 @@
+#
+
+```go
+
+               ln, err := net.Listen("tcp", "0.0.0.0:8080")
+               if err != nil {
+                       fmt.Println(err)
+                       return
+               }
+```
+
+```c
+
+        sockfd = socket(AF_INET, SOCK_STREAM, 0); 
+        if (sockfd == -1) { 
+            printf("socket creation failed\n"); 
+            return -1;
+        } else {
+            printf("socket successfully created\n"); 
+        }
+    
+        if(setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(opt)) < 0 ){  
+            printf("setsockopt failed\n");   
+            return -1;   
+        }   
+        
+        memset(&servaddr, 0, sizeof(servaddr));
+     
+        servaddr.sin_family = AF_INET; 
+        servaddr.sin_addr.s_addr = htonl(INADDR_ANY); 
+        servaddr.sin_port = htons(PORT); 
+       
+        if ((bind(sockfd, (struct sockaddr*)&servaddr, sizeof(servaddr))) != 0) { 
+            printf("socket bind failed\n"); 
+            return -1; 
+        } 
+       
+        if(make_socket_non_blocking(sockfd) < 0){
+            printf("non-blocking failed\n");
+            return -1;
+        }
+        
+        if ((listen(sockfd, client_num + 1)) != 0) { 
+            printf("listen failed\n"); 
+            return -1;
+        } 
+```
+
 # 
 
 ```shell