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                     23: .TH CURLOPT_DNS_USE_GLOBAL_CACHE 3 "March 07, 2019" "libcurl 7.70.0" "curl_easy_setopt options"
                     24: 
                     25: .SH NAME
                     26: CURLOPT_DNS_USE_GLOBAL_CACHE \- enable/disable global DNS cache
                     27: .SH SYNOPSIS
                     28: #include <curl/curl.h>
                     29: 
                     30: CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_USE_GLOBAL_CACHE,
                     31:                           long enable);
                     32: .SH DESCRIPTION
                     33: Has no function since 7.62.0. Do note use!
                     34: 
                     35: Pass a long. If the \fIenable\fP value is 1, it tells curl to use a global DNS
                     36: cache that will survive between easy handle creations and deletions. This is
                     37: not thread-safe and this will use a global variable.
                     38: 
                     39: \fBWARNING:\fP this option is considered obsolete. Stop using it. Switch over
                     40: to using the share interface instead! See \fICURLOPT_SHARE(3)\fP and
                     41: \fIcurl_share_init(3)\fP.
                     42: .SH DEFAULT
                     43: 0
                     44: .SH PROTOCOLS
                     45: All
                     46: .SH EXAMPLE
                     47: .nf
                     48: CURL *curl = curl_easy_init();
                     49: if(curl) {
                     50:   CURLcode ret;
                     51:   curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
                     52:   /* switch off the use of a global, thread unsafe, cache */
                     53:   curl_easy_setopt(curl, CURLOPT_DNS_USE_GLOBAL_CACHE, 0L);
                     54:   ret = curl_easy_perform(curl);
                     55:   curl_easy_cleanup(curl);
                     56: }
                     57: .fi
                     58: .SH AVAILABILITY
                     59: Deprecated since 7.62.0. Has no function.
                     60: .SH RETURN VALUE
                     61: Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
                     62: .SH "SEE ALSO"
                     63: .BR CURLOPT_SHARE "(3), " CURLOPT_DNS_CACHE_TIMEOUT "(3), "