CURLOPT_HTTPPOST man page

## NAME

CURLOPT_HTTPPOST - specify the multipart formpost content

## SYNOPSIS

    #include <curl/curl.h>

    CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTPPOST,
                              struct curl_httppost *formpost);

## DESCRIPTION

Tells libcurl you want a multipart/formdata HTTP POST to be made and you instruct what data to pass on to the server in the formpost argument. Pass a pointer to a linked list of curl_httppost structs as parameter. The easiest way to create such a list, is to use curl_formadd(3) as documented. The data in this list must remain intact as long as the curl transfer is alive and is using it.

Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header. You can disable this header with CURLOPT_HTTPHEADER.

When setting CURLOPT_HTTPPOST, it will automatically set CURLOPT_NOBODY to 0.

## DEFAULT

NULL

## PROTOCOLS

HTTP

## EXAMPLE

    /* Fill in the file upload field. This makes libcurl load data from
       the given file name when curl_easy_perform() is called. */
    curl_formadd(&formpost,
                 &lastptr,
                 CURLFORM_COPYNAME, "sendfile",
                 CURLFORM_FILE, "postit2.c",
                 CURLFORM_END);

    /* Fill in the filename field */
    curl_formadd(&formpost,
                 &lastptr,
                 CURLFORM_COPYNAME, "filename",
                 CURLFORM_COPYCONTENTS, "postit2.c",
                 CURLFORM_END);

    /* Fill in the submit field too, even if this is rarely needed */
    curl_formadd(&formpost,
                 &lastptr,
                 CURLFORM_COPYNAME, "submit",
                 CURLFORM_COPYCONTENTS, "send",
                 CURLFORM_END);

## AVAILABILITY

As long as HTTP is enabled

## RETURN VALUE

Returns CURLE_OK if HTTP is enabled, and CURLE_UNKNOWN_OPTION if not.

## SEE ALSO

CURLOPT_POSTFIELDS, CURLOPT_POST, curl_formadd (3), curl_formfree (3)

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