machine/param.h is gone

[unix-history] / usr / src / lib / libc / net / inet_makeaddr.c

/*      inet_makeaddr.c 4.4     85/06/02        */

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

/*
* Formulate an Internet address from network + host.  Used in
* building addresses stored in the ifnet structure.
*/
struct in_addr
inet_makeaddr(net, host)
       int net, host;
{
       u_long addr;

       if (net < 128)
               addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
       else if (net < 65536)
               addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
       else
               addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
       addr = htonl(addr);
       return (*(struct in_addr *)&addr);
}