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int sockfd;
struct addrinfo hints, *servinfo, *p;
int rv;

memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC; // use AF_INET6 to force IPv6
hints.ai_socktype = SOCK_STREAM;

if ((rv = getaddrinfo(host, "http", &hints, &servinfo)) != 0) {
    fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv));

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//  server.on("/debug", HTTP_GET, dirList);
//  server.on("/debug", HTTP_PUT, dirList);
//  server.on("/debug", HTTP_POST, dirList);

void handleDebug() {
    String message = "HTTP Request\n\n";
    message += "URI: ";
    message += server.uri();
    message += "\nMethod: ";
    message += (server.method() == HTTP_GET) ? "GET" : "POST";

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//  server.on("/dir", HTTP_GET, handleDirList);
  
void handleDirList() {
  SPIFFS.begin();
  String str = "";
  Dir dir = SPIFFS.openDir("/");
  while (dir.next()) {
    str += dir.fileName();
    str += " ";
    str += dir.fileSize();

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// this serves all URLs that can be resolved to a file on the SPIFFS filesystem
// server.onNotFound(handleNotFound);

static String getContentType(const String& path) {
  if (path.endsWith(".html"))       return "text/html";
  else if (path.endsWith(".htm"))   return "text/html";
  else if (path.endsWith(".css"))   return "text/css";
  else if (path.endsWith(".txt"))   return "text/plain";
  else if (path.endsWith(".js"))    return "application/javascript";
  else if (path.endsWith(".png"))   return "image/png";