Binding local names to sockets

A soocket is created without a name. Until a name is bound to a socket, processes have no way to reference it and, therefore, no messages may be received on it. the bind system call allows a process to specify local or its own half of the association, and the connect and accept calls are used to complete a socket's association.

The bind system call is used as follows:

#include <sys/types.h>
#include <netinet/in.h>

struct sockaddr_in sname;

       sname.sin_family = AF_INET;
       sname.sin_port = PORTNUM;
       sname.sin_addr.s_addr = INADDR_ANY;

       bind(fdTo,(char *)&sname, sizeof(sname));