From 40914fd544efb8c2fa14783351d1dd17619d91fb Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 17 Mar 2015 08:57:31 +0100
Subject: CURLOPT_*.3: more examples and edits

---
 docs/libcurl/opts/CURLOPT_HEADERFUNCTION.3 | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'docs/libcurl/opts/CURLOPT_HEADERFUNCTION.3')

diff --git a/docs/libcurl/opts/CURLOPT_HEADERFUNCTION.3 b/docs/libcurl/opts/CURLOPT_HEADERFUNCTION.3
index 6c17d3150..4268f22b8 100644
--- a/docs/libcurl/opts/CURLOPT_HEADERFUNCTION.3
+++ b/docs/libcurl/opts/CURLOPT_HEADERFUNCTION.3
@@ -80,7 +80,24 @@ Nothing.
 Used for all protocols with headers or meta-data concept: HTTP, FTP, POP3,
 IMAP, SMTP and more.
 .SH EXAMPLE
-TODO
+.nf
+static size_t header_callback(char *buffer, size_t size,
+                              size_t nitems, void *userdata)
+{
+  /* received header is nitems * size long in 'buffer' NOT ZERO TERMINATED */
+  /* 'userdata' is set with CURLOPT_WRITEDATA */
+  return nitems * size;
+}
+
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
+
+  curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, header_callback);
+
+  curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Always
 .SH RETURN VALUE
-- 
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