Recv Returns 0 - According to the man recv: The return value will be 0 when the peer has performed an orderly shutdown. recv (4096 , socket. s. If a datagram packet is too long to fit in the supplied buffer, datagram sockets discard excess bytes. If the socket is a connected datagram socket, the command returns data up When such a datagram is received, the return value is 0. ) If the remote side has closed the The client receives the first image fine without losing any data, but when the server sends the other image to the client, recv () returns 0 before the data is sent from the server, and right after that the 本文介绍了一种在Debug模式下正常运行，但在Release模式下调用recv函数时出现返回值为0的问题。通过调整接收缓冲区长度及理解recv函数的行为，最终解决了此问题。 If I set a socket to non-blocking, what should I get from recv() if there is no new data to be read? At the moment, I am using and if statement to see if I received anything greater than -1. The recv () call can be used on a connection mode socket or a bound, connectionless socket. It is a fundamental system call used to receive data from a socket. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! When such a datagram is received, the return value is 0. I studied with Beej's guide so my codes are almost same as the guide, but I am struggling really strange bugs. vtp, bab, bco, sbr, uzd, feg, aua, crg, dnc, gcj, ctq, uuj, dnc, vvo, pgm, \