zzs85aa的专栏

The TCP three way handshake is the process for establishing a TCP connection. A TCP connection is established as shown in the below example. In this example, we assume a client computer is contacting a server to send it some information.1.The client sends

strncpy的正确用法： strncpy(dest, src, sizeof(dest))； dest[sizeof(dest)-1] = ‘\0’; snprintf的正确用法： snprintf(dest, sizeof(dest), "%s", src); strncpy的问题： size一定要用sizeof(dest)或sizeof(dest)-1，不可误