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CURLOPT_RESOLVER_START_DATAcurl_easy_setopt optiCURLOPT_RESOLVER_START_DATA(3) NAME CURLOPT_RESOLVER_START_DATA - custom pointer passed to the resolver start callback SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RESOLVER_START_DATA, void *pointer); DESCRIPTION Pass a pointer that will be untouched by libcurl and passed as the third argument in the resolver start callback set with CURLOPT_RE- SOLVER_START_FUNCTION(3). DEFAULT NULL PROTOCOLS All EXAMPLE static int resolver_start_cb(void *resolver_state, void *reserved, void *userdata) { (void)reserved; printf("Received resolver_state=%p userdata=%p\n", resolver_state, userdata); return 0; } CURL *curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_RESOLVER_START_FUNCTION, resolver_start_cb); curl_easy_setopt(curl, CURLOPT_RESOLVER_START_DATA, curl); curl_easy_setopt(curl, CURLOPT_URL, "http://example.com"); curl_easy_perform(curl); curl_easy_cleanup(curl); } AVAILABILITY Added in 7.59.0 RETURN VALUE Returns CURLE_OK SEE ALSO CURLOPT_RESOLVER_START_FUNCTION(3) libcurl 7.72.0 February 14, 2018CURLOPT_RESOLVER_START_DATA(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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