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CURLOPT_TFTP_BLKSIZE(3) Library Functions Manual 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 RFC 2348 is 8-65464 bytes. The default of 512 bytes is used if this op- tion is not specified. The specified block size is only used if sup- ported 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 is used. DEFAULT 512 PROTOCOLS This functionality affects tftp only EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "tftp://example.com/bootimage"); /* try using larger blocks */ curl_easy_setopt(curl, CURLOPT_TFTP_BLKSIZE, 2048L); res = curl_easy_perform(curl); curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.19.4 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_MAXFILESIZE(3) libcurl 2025-06-03 CURLOPT_TFTP_BLKSIZE(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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