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Annotation of researchv10no/netfs/libnetb/bsdgetpeer.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * who called me over a socket, 4BSD-style
                      3:  */
                      4: 
                      5: #include <sys/types.h>
                      6: #include <sys/socket.h>
                      7: #include <netinet/in.h>
                      8: #include <netdb.h>
                      9: 
                     10: char *
                     11: _rfbsdpeer(f)
                     12: int f;
                     13: {
                     14:        register struct hostent *hp;
                     15:        int len;
                     16:        struct sockaddr_in s;
                     17: 
                     18:        /*
                     19:         * sleaze away, as UCB code usually does:
                     20:         * assume it's internet family in various places
                     21:         */
                     22:        len = sizeof(s);
                     23:        if (getpeername(f, &s, &len) < 0)
                     24:                return (0);
                     25:        if ((hp = gethostbyaddr(&s.sin_addr, sizeof(struct in_addr), s.sin_family)) == 0)
                     26:                return (0);
                     27:        return (hp->h_name);
                     28: }

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