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- .TH CURLOPT_POSTFIELDS 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
- .SH NAME
- CURLOPT_POSTFIELDS \- specify data to POST to server
- .SH SYNOPSIS
- #include <curl/curl.h>
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_POSTFIELDS, char *postdata);
- .SH DESCRIPTION
- Pass a char * as parameter, pointing to the full data to send in a HTTP POST
- operation. You must make sure that the data is formatted the way you want the
- server to receive it. libcurl will not convert or encode it for you in any
- way. For example, the web server may assume that this data is url-encoded.
- The data pointed to is NOT copied by the library: as a consequence, it must be
- preserved by the calling application until the associated transfer finishes.
- This POST is a normal application/x-www-form-urlencoded kind (and libcurl will
- set that Content-Type by default when this option is used), which is commonly
- used by HTML forms. Change Content-Type with \fICURLOPT_HTTPHEADER(3)\fP.
- Using \fICURLOPT_POSTFIELDS(3)\fP implies \fICURLOPT_POST(3)\fP.
- If you want to do a zero-byte POST, you need to set
- \fICURLOPT_POSTFIELDSIZE(3)\fP explicitly to zero, as simply setting
- \fICURLOPT_POSTFIELDS(3)\fP to NULL or "" just effectively disables the
- sending of the specified string. libcurl will instead assume that you'll send
- the POST data using the read callback!
- Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header.
- You can disable this header with \fICURLOPT_HTTPHEADER(3)\fP as usual.
- To make multipart/formdata posts (aka RFC2388-posts), check out the
- \fICURLOPT_HTTPPOST(3)\fP option combined with \fIcurl_formadd(3)\fP.
- .SH DEFAULT
- NULL
- .SH PROTOCOLS
- HTTP
- .SH EXAMPLE
- TODO
- .SH AVAILABILITY
- Always
- .SH RETURN VALUE
- Returns CURLE_OK
- .SH "SEE ALSO"
- .BR CURLOPT_POSTFIELDSIZE "(3), " CURLOPT_READFUNCTION "(3), "
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