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deps/curl/docs/libcurl/opts/CURLINFO_FILETIME_T.md

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+---
+c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLINFO_FILETIME
+Section: 3
+Source: libcurl
+See-also:
+  - CURLOPT_FILETIME (3)
+  - curl_easy_getinfo (3)
+  - curl_easy_setopt (3)
+---
+
+# NAME
+
+CURLINFO_FILETIME_T - get the remote time of the retrieved document
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_FILETIME_T,
+                           curl_off_t *timep);
+~~~
+
+# DESCRIPTION
+
+Pass a pointer to a curl_off_t to receive the remote time of the retrieved
+document in number of seconds since January 1 1970 in the GMT/UTC time
+zone. If you get -1, it can be because of many reasons (it might be unknown,
+the server might hide it or the server does not support the command that tells
+document time etc) and the time of the document is unknown.
+
+You must ask libcurl to collect this information before the transfer is made,
+by using the CURLOPT_FILETIME(3) option to curl_easy_setopt(3) or
+you unconditionally get a -1 back.
+
+This option is an alternative to CURLINFO_FILETIME(3) to allow systems
+with 32 bit long variables to extract dates outside of the 32bit timestamp
+range.
+
+# PROTOCOLS
+
+HTTP(S), FTP(S), SFTP
+
+# EXAMPLE
+
+~~~c
+int main(void)
+{
+  CURL *curl = curl_easy_init();
+  if(curl) {
+    CURLcode res;
+    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
+    /* Ask for filetime */
+    curl_easy_setopt(curl, CURLOPT_FILETIME, 1L);
+    res = curl_easy_perform(curl);
+    if(CURLE_OK == res) {
+      curl_off_t filetime;
+      res = curl_easy_getinfo(curl, CURLINFO_FILETIME_T, &filetime);
+      if((CURLE_OK == res) && (filetime >= 0)) {
+        time_t file_time = (time_t)filetime;
+        printf("filetime: %s", ctime(&file_time));
+      }
+    }
+    /* always cleanup */
+    curl_easy_cleanup(curl);
+  }
+}
+~~~
+
+# AVAILABILITY
+
+Added in 7.59.0
+
+# RETURN VALUE
+
+Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.