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Annotation of 42BSD/lib/libc/inet/inet_makeaddr.c, revision 1.1.1.1

1.1       root        1: /*     inet_makeaddr.c 4.3     82/11/14        */
                      2: 
                      3: #include <sys/types.h>
                      4: #include <netinet/in.h>
                      5: 
                      6: /*
                      7:  * Formulate an Internet address from network + host.  Used in
                      8:  * building addresses stored in the ifnet structure.
                      9:  */
                     10: struct in_addr
                     11: inet_makeaddr(net, host)
                     12:        int net, host;
                     13: {
                     14:        u_long addr;
                     15: 
                     16:        if (net < 128)
                     17:                addr = (net << IN_CLASSA_NSHIFT) | host;
                     18:        else if (net < 65536)
                     19:                addr = (net << IN_CLASSB_NSHIFT) | host;
                     20:        else
                     21:                addr = (net << IN_CLASSC_NSHIFT) | host;
                     22:        addr = htonl(addr);
                     23:        return (*(struct in_addr *)&addr);
                     24: }

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