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Annotation of xinu/sys/netnum.c, revision 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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