
The accept System Call
Using the accept system call you can accept connections once the listening socket
receives them.The accept system call then returns a file descriptor that can be used to
read and write data from and to the socket.
To use accept, execute it with the socket() file descriptor as argument one.The
second argument, which can be NULL, is a pointer to a sockaddr structure. If you use
this argument, the accept system call will put information about the connected client
into this structure.This can, for example, allow you to get the connected client’s IP
address. When using argument 2, the accept system call will put the size of the filled-in ...