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IMAP is supported since 7.30.0, POP3 since 7.26.0 and SMTP since 7.34.0. DefaultĬurl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE") Note that in this mode you can acquire images also from line scan cameras without losing any image data. The application does not have to keep the string around after setting this option. If the continuous mode is enabled, the frame grabber board will grab all the time and the images will queued in the internal given buffers (see parameter 'numbuffers'). If the CURLOPT_NOBODY option is specified then the request can be used to issue NOOP and RSET commands. Normally a multiline response is returned which can be used, in conjunction with CURLOPT_MAIL_RCPT, to specify an EXPN request. Instead of a HELP or VRFY when issuing SMTP based requests. As such CURLOPT_NOBODY should be used when specifying commands such as DELE and NOOP for example. When you tell libcurl to use a custom request it will behave like a LIST or RETR command was sent where it expects data to be returned by the server. Instead of LIST and RETR when issuing POP3 based requests. Instead of LIST when issuing IMAP based requests. Instead of LIST and NLST when performing FTP directory listings. Use CURLOPT_HTTP_VERSION to change HTTP version. Use CURLOPT_HTTPHEADER to replace or extend the set of headers sent by libcurl. Use CURLOPT_POST and CURLOPT_POSTFIELDS to set POST data. While that might work in many cases, it will cause libcurl to send invalid requests and it could possibly confuse the remote server badly. Many people have wrongly used this option to replace the entire request with their own, including multiple headers and POST contents. To switch to a proper HEAD use CURLOPT_NOBODY, to switch to a proper POST use CURLOPT_POST or CURLOPT_POSTFIELDS and to switch to a proper GET use CURLOPT_HTTPGET. When you tell libcurl to do a HEAD request, but then specify a GET though a custom request libcurl will still act as if it sent a HEAD. This is particularly useful, for example, for performing an HTTP DELETE request.
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Instead of GET or HEAD when performing HTTP based requests. This option can be used to specify the request:
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Restore to the internal default by setting this to NULL. When you change the request method by setting CURLOPT_CUSTOMREQUEST to something, you do not actually change how libcurl behaves or acts in regards to the particular request method, it will only change the actual string sent in the request. Pass a pointer to a null-terminated string as parameter. CURLOPT_CUSTOMREQUEST - custom request method SynopsisĬURLcode curl_easy_setopt(CURL *handle, CURLOPT_CUSTOMREQUEST, char *request) Description