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Annotation of 3BSD/cmd/from.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: #include <pwd.h>
        !             3: 
        !             4: struct passwd *getpwuid();
        !             5: 
        !             6: main()
        !             7: {
        !             8:        char lbuf[BUFSIZ];
        !             9:        register struct passwd *pp;
        !            10: 
        !            11:        if (chdir("/usr/spool/mail") < 0)
        !            12:                exit(1);
        !            13:        pp = getpwuid(getuid());
        !            14:        if (pp == 0) {
        !            15:                fprintf(stderr, "Who are you?\n");
        !            16:                exit(1);
        !            17:        }
        !            18:        if (freopen(pp->pw_name, "r", stdin) == NULL)
        !            19:                exit(0);
        !            20:        while(fgets(lbuf, sizeof lbuf, stdin) != NULL)
        !            21:                if (lbuf[0] == 'F' && lbuf[1] == 'r' && lbuf[2] == 'o' && lbuf[3] == 'm')
        !            22:                        printf("%s", lbuf);
        !            23:        exit(0);
        !            24: }

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