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extended the CURLOPT_HEADERFUNCTION description with Aaron Oneal's help

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Daniel Stenberg 2009-06-10 18:43:07 +00:00
parent ec65a9a364
commit 9d18c0b156
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docs/libcurl/curl_easy_setopt.3
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@ -282,6 +282,13 @@ NULL, the function used to accept response data will be used instead. That is,
it will be the function specified with \fICURLOPT_WRITEFUNCTION\fP, or if it it will be the function specified with \fICURLOPT_WRITEFUNCTION\fP, or if it
is not specified or NULL - the default, stream-writing function. is not specified or NULL - the default, stream-writing function.
It's important to note that the callback will be invoked for the headers of
all responses received after initiating a request and not just the final
response. This includes all responses which occur during authentication
negotiation. If you need to operate on only the headers from the final
response, you will need to collect headers in the callback yourself and use
HTTP status lines, for example, to delimit response boundaries.
Since 7.14.1: When a server sends a chunked encoded transfer, it may contain a Since 7.14.1: When a server sends a chunked encoded transfer, it may contain a
trailer. That trailer is identical to a HTTP header and if such a trailer is trailer. That trailer is identical to a HTTP header and if such a trailer is
received it is passed to the application using this callback as well. There received it is passed to the application using this callback as well. There