Display hostname and IP address in C

Here is a good way to determine the hostname and IP address of the local machine in C. You first have to grab the hostname with gethostname(). char hostbuf[256]; gethostname(hostbuf,sizeof(hostbuf)); Take the hostname and use it to grab the hostent struct with gethostbyname(). struct hostent *hostentry; hostentry = gethostbyname(hostbuf); Finally you have to take the [...]