--- a/playground/main.c	Tue Oct 07 09:13:29 2025 -0700
+++ b/playground/main.c	Thu Oct 09 06:41:02 2025 -0700
@@ -1,94 +1,20 @@
 #include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <openssl/ssl.h>
-#include <openssl/err.h>
 
-#define INITIAL_BUFFER_CAPACITY 8192
+struct Node {
+  char *value;
+  struct Node *left;
+  struct Node *right;
+};
 
-void init_openssl()
+void *recurr(struct Node *root, int depth)
 {
-    SSL_load_error_strings();
-    OpenSSL_add_ssl_algorithms();
+  if (depth)
+    return;
+  root.left = 
 }
 
-int main(void)
+int main()
 {
-    const char *host = "www.google.com";
-    const char *port = "443";
-
-    struct addrinfo hints = {0}, *res;
-    hints.ai_family   = AF_UNSPEC;
-    hints.ai_socktype = SOCK_STREAM;
-
-    if (getaddrinfo(host, port, &hints, &res) != 0)
-    {
-        perror("getaddrinfo");
-        return 1;
-    }
-
-    int sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
-    if (sockfd < 0)
-    {
-        perror("socket");
-        return 1;
-    }
-
-    if (connect(sockfd, res->ai_addr, res->ai_addrlen) != 0)
-    {
-        perror("connect");
-        return 1;
-    }
-
-    freeaddrinfo(res);
-
-    init_openssl();
-    SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
-    SSL_CTX_set_default_verify_paths(ctx);
-
-    SSL *ssl = SSL_new(ctx);
-    SSL_set_fd(ssl, sockfd);
-
-    // ✅ use real hostname for SNI
-    SSL_set_tlsext_host_name(ssl, host);
-
-    // ✅ perform blocking handshake for simplicity
-    fcntl(sockfd, F_SETFL, 0);
-
-    if (SSL_connect(ssl) != 1)
-    {
-      fprintf(stderr, "SSL_connect failed\n");
-      ERR_print_errors_fp(stderr);
-      return 1;
-    }
-
-    printf("✅ SSL handshake successful!\n");
-
-    // send a basic HTTP request
-    const char *req =
-        "GET / HTTP/1.1\r\n"
-        "Host: www.google.com\r\n"
-        "Connection: close\r\n\r\n";
-    SSL_write(ssl, req, strlen(req));
-
-    char buf[INITIAL_BUFFER_CAPACITY];
-    int bytes;
-
-    while ((bytes = SSL_read(ssl, buf, sizeof(buf) - 1)) > 0)
-    {
-        buf[bytes] = '\0';
-        printf("%s", buf);
-    }
-
-    SSL_shutdown(ssl);
-    SSL_free(ssl);
-    SSL_CTX_free(ctx);
-    close(sockfd);
-    EVP_cleanup();
-    return 0;
+  struct Node root = {}
+  struct Node **queue = {}
 }