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

1.1       root        1: /* 
                      2:  * who called me;
                      3:  * 4BSD socket-using machines
                      4:  * that also run research connection server
                      5:  */
                      6: 
                      7: #define        NULL    0
                      8: 
                      9: char *_rfcallsource();
                     10: char *_rfbsdpeer();
                     11: 
                     12: char *
                     13: _rfwhocalled(cfd)
                     14: int cfd;
                     15: {
                     16:        static char buf[100];   /* arbitrary */
                     17:        char *p;
                     18: 
                     19:        if ((p = _rfcallsource()) != NULL)
                     20:                return (p);
                     21:        if ((p = _rfbsdpeer(cfd)) != NULL) {
                     22:                strcpy(buf, "tcp!");
                     23:                strcat(buf, p);
                     24:                return (buf);
                     25:        }
                     26:        return (NULL);
                     27: }

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