Shop for opi=89978449 %2Fsearch%3Fq%3Dq%253Dq%25253Dhttps%3A%2F%2Fstackoverflow.com%2Fquestions%2F9026980%2Fwhat-does-s-and-d-mean-in-printf-in-the-c-language%26sca_esv%3D12ce1543754ec345%26sca_upv%3D1%26tbm%3Dshop%26source%3Dlnms%26ved%3D1t%3A200713%26ictx%3D111