Please help me! I have a problem in socket programing using c++ on winsock2

I create the server using socket programming and server running properly and send the data to client and also client send the data to server and received the data show it in the server consol. but main problem is in the client consol, it show the only one char data in the consol I can not understand what is problem. I also the the code. and also send onedrive link.

please see the code in this link - https://1drv.ms/u/s!AhScjAoHzk182BkRjZgW7ufdMWwy?e=76uduu

Please Reply me...please