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CURLOPT_HTTP200ALIASES(3)  Library Functions Manual  CURLOPT_HTTP200ALIASES(3)


NAME

       CURLOPT_HTTP200ALIASES - alternative matches for HTTP 200 OK


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTP200ALIASES,
                                 struct curl_slist *aliases);


DESCRIPTION

       Pass a pointer to a linked list of aliases to be treated as valid HTTP
       200 responses. Some servers respond with a custom header response line.
       For example, SHOUTcast servers respond with "ICY 200 OK". Also some old
       Icecast 1.3.x servers respond like that for certain user agent headers
       or in absence of such. By including this string in your list of
       aliases, the response gets treated as a valid HTTP header line such as
       "HTTP/1.0 200 OK".

       The linked list should be a fully valid list of struct curl_slist
       structs, and be properly filled in.  Use curl_slist_append(3) to create
       the list and curl_slist_free_all(3) to clean up an entire list.

       The alias itself is not parsed for any version strings. The protocol is
       assumed to match HTTP 1.0 when an alias match.

       Using this option multiple times makes the last set list override the
       previous ones. Set it to NULL to disable its use again.

       libcurl does not copy the list, it needs to be kept around until after
       the transfer has completed.


DEFAULT

       NULL


PROTOCOLS

       This functionality affects http only


EXAMPLE

       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           struct curl_slist *list;
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");

           list = curl_slist_append(NULL, "ICY 200 OK");
           list = curl_slist_append(list, "WEIRDO 99 FINE");

           curl_easy_setopt(curl, CURLOPT_HTTP200ALIASES, list);
           curl_easy_perform(curl);
           curl_slist_free_all(list); /* free the list again */
         }
       }


AVAILABILITY

       Added in curl 7.10.3


RETURN VALUE

       curl_easy_setopt(3) returns a CURLcode indicating success or error.

       CURLE_OK (0) means everything was OK, non-zero means an error occurred,
       see libcurl-errors(3).


SEE ALSO

       CURLOPT_HTTP09_ALLOWED(3), CURLOPT_HTTP_VERSION(3)

libcurl                           2025-02-08         CURLOPT_HTTP200ALIASES(3)

curl 8.12.0 - Generated Sat Feb 15 09:25:31 CST 2025
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