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diff --git a/docs/examples/postit2-formadd.c b/docs/examples/postit2-formadd.c
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+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+/* <DESC>
+ * HTTP Multipart formpost with file upload and two additional parts.
+ * </DESC>
+ */
+/* Example code that uploads a file name 'foo' to a remote script that accepts
+ * "HTML form based" (as described in RFC1738) uploads using HTTP POST.
+ *
+ * The imaginary form we'll fill in looks like:
+ *
+ * <form method="post" enctype="multipart/form-data" action="examplepost.cgi">
+ * Enter file: <input type="file" name="sendfile" size="40">
+ * Enter file name: <input type="text" name="filename" size="30">
+ * <input type="submit" value="send" name="submit">
+ * </form>
+ *
+ * This exact source code has not been verified to work.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <curl/curl.h>
+
+int main(int argc, char *argv[])
+{
+  CURL *curl;
+  CURLcode res;
+
+  struct curl_httppost *formpost = NULL;
+  struct curl_httppost *lastptr = NULL;
+  struct curl_slist *headerlist = NULL;
+  static const char buf[] = "Expect:";
+
+  curl_global_init(CURL_GLOBAL_ALL);
+
+  /* Fill in the file upload field */
+  curl_formadd(&formpost,
+               &lastptr,
+               CURLFORM_COPYNAME, "sendfile",
+               CURLFORM_FILE, "postit2.c",
+               CURLFORM_END);
+
+  /* Fill in the filename field */
+  curl_formadd(&formpost,
+               &lastptr,
+               CURLFORM_COPYNAME, "filename",
+               CURLFORM_COPYCONTENTS, "postit2.c",
+               CURLFORM_END);
+
+
+  /* Fill in the submit field too, even if this is rarely needed */
+  curl_formadd(&formpost,
+               &lastptr,
+               CURLFORM_COPYNAME, "submit",
+               CURLFORM_COPYCONTENTS, "send",
+               CURLFORM_END);
+
+  curl = curl_easy_init();
+  /* initialize custom header list (stating that Expect: 100-continue is not
+     wanted */
+  headerlist = curl_slist_append(headerlist, buf);
+  if(curl) {
+    /* what URL that receives this POST */
+    curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/examplepost.cgi");
+    if((argc == 2) && (!strcmp(argv[1], "noexpectheader")))
+      /* only disable 100-continue header if explicitly requested */
+      curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
+    curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
+
+    /* Perform the request, res will get the return code */
+    res = curl_easy_perform(curl);
+    /* Check for errors */
+    if(res != CURLE_OK)
+      fprintf(stderr, "curl_easy_perform() failed: %s\n",
+              curl_easy_strerror(res));
+
+    /* always cleanup */
+    curl_easy_cleanup(curl);
+
+    /* then cleanup the formpost chain */
+    curl_formfree(formpost);
+    /* free slist */
+    curl_slist_free_all(headerlist);
+  }
+  return 0;
+}