Renamed examples for logical ordering

examples/03-udp_client.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <string.h>
+
+#define SOCK_IMPLEMENTATION
+#include "sock.h"
+
+int main(void)
+{
+    Sock *client = sock_create(SOCK_IPV4, SOCK_UDP);
+    if (client == NULL) {
+        perror("sock_create");
+        return 1;
+    }
+
+    SockAddr server_addr = sock_addr("127.0.0.1", 6969);
+    const char *msg = "Hello from client!";
+    ssize_t sent = sock_sendto(client, msg, strlen(msg), server_addr);
+    if (sent < 0) {
+        perror("sock_sendto");
+        sock_close(client);
+        return 1;
+    }
+
+    printf("Sent message: %s\n", msg);
+
+    sock_close(client);
+    return 0;
+}