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CURLOPT_TFTP_BLKSIZE(3)             libcurl            CURLOPT_TFTP_BLKSIZE(3)


NAME

       CURLOPT_TFTP_BLKSIZE - TFTP block size


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TFTP_BLKSIZE, long blocksize);


DESCRIPTION

       Specify blocksize to use for TFTP data transmission. Valid range as per
       RFC2348 is 8-65464 bytes. The default of 512 bytes will be used if this
       option is not specified. The specified block size will only be used
       pending support by the remote server. If the server does not return an
       option acknowledgment or returns an option acknowledgment with no block
       size, the default of 512 bytes will be used.


DEFAULT

       512


PROTOCOLS

       TFTP


EXAMPLE

       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/bootimage");
         /* try using larger blocks */
         curl_easy_setopt(curl, CURLOPT_TFTP_BLKSIZE, 2048L);
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }


AVAILABILITY

       Added in 7.19.4


RETURN VALUE

       Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION
       if not.


SEE ALSO

       CURLOPT_MAXFILESIZE(3),

ibcurl 8.1.2                    April 26, 2023         CURLOPT_TFTP_BLKSIZE(3)

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