--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/docs/examples/multi-single.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,111 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, 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>
+ * using the multi interface to do a single download
+ * </DESC>
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+/* somewhat unix-specific */
+#include <sys/time.h>
+#include <unistd.h>
+
+/* curl stuff */
+#include <curl/curl.h>
+
+#ifdef _WIN32
+#define WAITMS(x) Sleep(x)
+#else
+/* Portable sleep for platforms other than Windows. */
+#define WAITMS(x)                               \
+  struct timeval wait = { 0, (x) * 1000 };      \
+  (void)select(0, NULL, NULL, NULL, &wait);
+#endif
+
+/*
+ * Simply download a HTTP file.
+ */
+int main(void)
+{
+  CURL *http_handle;
+  CURLM *multi_handle;
+
+  int still_running = 0; /* keep number of running handles */
+  int repeats = 0;
+
+  curl_global_init(CURL_GLOBAL_DEFAULT);
+
+  http_handle = curl_easy_init();
+
+  /* set the options (I left out a few, you'll get the point anyway) */
+  curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
+
+  /* init a multi stack */
+  multi_handle = curl_multi_init();
+
+  /* add the individual transfers */
+  curl_multi_add_handle(multi_handle, http_handle);
+
+  /* we start some action by calling perform right away */
+  curl_multi_perform(multi_handle, &still_running);
+
+  while(still_running) {
+    CURLMcode mc; /* curl_multi_wait() return code */
+    int numfds;
+
+    /* wait for activity, timeout or "nothing" */
+    mc = curl_multi_wait(multi_handle, NULL, 0, 1000, &numfds);
+
+    if(mc != CURLM_OK) {
+      fprintf(stderr, "curl_multi_wait() failed, code %d.\n", mc);
+      break;
+    }
+
+    /* 'numfds' being zero means either a timeout or no file descriptors to
+       wait for. Try timeout on first occurrence, then assume no file
+       descriptors and no file descriptors to wait for means wait for 100
+       milliseconds. */
+
+    if(!numfds) {
+      repeats++; /* count number of repeated zero numfds */
+      if(repeats > 1) {
+        WAITMS(100); /* sleep 100 milliseconds */
+      }
+    }
+    else
+      repeats = 0;
+
+    curl_multi_perform(multi_handle, &still_running);
+  }
+
+  curl_multi_remove_handle(multi_handle, http_handle);
+
+  curl_easy_cleanup(http_handle);
+
+  curl_multi_cleanup(multi_handle);
+
+  curl_global_cleanup();
+
+  return 0;
+}