The sockfd parameter is just the socket file descriptor returned from the socket function. The addr parameter points at a sockaddr struct which contains the address of the socket you want to connect ...

All Linux distributions provide a wide range of network applications—from dæmons that provide a variety of services such as WWW, mail and SSH to client programs that access one or more of these ...

If you compile with C99 or C11 selected then you will find that none of the following works. You need to add: #define _GNU_SOURCE to the start of the file. You pass getaddrinfo the IP address or the ...