normally, the functions used in network programming are ssize_t read (int fd, void * buf, size_t nbyte) ssize_t write (int fd, const void * buf, size_t nbytes) to transmit byte by byte. but usually, a word in Chinese accounts for 2 to 3 bytes, so g...
for example, socket.io cannot be linked under a different wifi (ip address (under the public network). If my computer is connected to the 4G used on the wifi, phone, it cannot be connected (page resources and so on are completely fine, but the socket is...