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Annotation of 42BSD/usr.bin/sleep.c, revision 1.1.1.1

1.1       root        1: static char *sccsid = "@(#)sleep.c     4.1 (Berkeley) 10/1/80";
                      2: main(argc, argv)
                      3: char **argv;
                      4: {
                      5:        int c, n;
                      6:        char *s;
                      7: 
                      8:        n = 0;
                      9:        if(argc < 2) {
                     10:                printf("arg count\n");
                     11:                exit(0);
                     12:        }
                     13:        s = argv[1];
                     14:        while(c = *s++) {
                     15:                if(c<'0' || c>'9') {
                     16:                        printf("bad character\n");
                     17:                        exit(0);
                     18:                }
                     19:                n = n*10 + c - '0';
                     20:        }
                     21:        sleep(n);
                     22: }

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