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Annotation of xinu/sys/netnum.c, revision 1.1.1.1

1.1       root        1: /* netnum.c - netnum */
                      2: 
                      3: #include <conf.h>
                      4: #include <kernel.h>
                      5: #include <network.h>
                      6: 
                      7: /*------------------------------------------------------------------------
                      8:  *  netnum  -  obtain the network portion of a given IP address
                      9:  *------------------------------------------------------------------------
                     10:  */
                     11: netnum(netpart, address)
                     12: IPaddr netpart;
                     13: IPaddr address;
                     14: {
                     15:        blkcopy(netpart, address, IPLEN);
                     16:        switch (netpart[0] & IPTMASK) {
                     17:                case IPATYP: netpart[1] = '\0'; /* fall through */
                     18:                case IPBTYP: netpart[2] = '\0'; /* fall through */
                     19:                case IPCTYP: netpart[3] = '\0';
                     20:        }
                     21:        return(OK);
                     22: }

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