[Global]: loading init

deps/curl/docs/examples/pop3-multi.c

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+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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.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.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+/* <DESC>
+ * Get POP3 email using the multi interface
+ * </DESC>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <curl/curl.h>
+
+/* This is a simple example showing how to retrieve mail using libcurl's POP3
+ * capabilities. It builds on the pop3-retr.c example to demonstrate how to use
+ * libcurl's multi interface.
+ */
+
+int main(void)
+{
+  CURL *curl;
+  CURLM *mcurl;
+  int still_running = 1;
+
+  curl_global_init(CURL_GLOBAL_DEFAULT);
+
+  curl = curl_easy_init();
+  if(!curl)
+    return 1;
+
+  mcurl = curl_multi_init();
+  if(!mcurl)
+    return 2;
+
+  /* Set username and password */
+  curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
+  curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
+
+  /* This will retrieve message 1 from the user's mailbox */
+  curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com/1");
+
+  /* Tell the multi stack about our easy handle */
+  curl_multi_add_handle(mcurl, curl);
+
+  do {
+    CURLMcode mc = curl_multi_perform(mcurl, &still_running);
+
+    if(still_running)
+      /* wait for activity, timeout or "nothing" */
+      mc = curl_multi_poll(mcurl, NULL, 0, 1000, NULL);
+
+    if(mc)
+      break;
+
+  } while(still_running);
+
+  /* Always cleanup */
+  curl_multi_remove_handle(mcurl, curl);
+  curl_multi_cleanup(mcurl);
+  curl_easy_cleanup(curl);
+  curl_global_cleanup();
+
+  return 0;
+}