46   struct WriteThis *wt = (struct WriteThis *)userp;  in read_callback()  local
49   if(wt->sizeleft) {  in read_callback()
51     size_t copy_this_much = wt->sizeleft;  in read_callback()
54     memcpy(dest, wt->readptr, copy_this_much);  in read_callback()
56     wt->readptr += copy_this_much;  in read_callback()
57     wt->sizeleft -= copy_this_much;  in read_callback()
69   struct WriteThis wt;  in main()  local
71   wt.readptr = data;  in main()
72   wt.sizeleft = strlen(data);  in main()
96     curl_easy_setopt(curl, CURLOPT_READDATA, &wt);  in main()
120     curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)wt.sizeleft);  in main()