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Annotation of researchv9/cmd/sleep.c, revision 1.1.1.1

1.1       root        1: main(argc, argv)
                      2: char **argv;
                      3: {
                      4:        int c, n;
                      5:        char *s;
                      6: 
                      7:        n = 0;
                      8:        if(argc < 2) {
                      9:                printf("arg count\n");
                     10:                exit(0);
                     11:        }
                     12:        s = argv[1];
                     13:        while(c = *s++) {
                     14:                if(c<'0' || c>'9') {
                     15:                        printf("bad character\n");
                     16:                        exit(0);
                     17:                }
                     18:                n = n*10 + c - '0';
                     19:        }
                     20:        sleep(n);
                     21: }

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