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C/C++ Source or Header  |  1975-05-13  |  255 b   |  22 lines
  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();
  11.     }
  12.     s = argv[1];
  13.     while(c = *s++) {
  14.         if(c<'0' || c>'9') {
  15.             printf("bad character\n");
  16.             exit();
  17.         }
  18.         n = n*10 + c - '0';
  19.     }
  20.     sleep(n);
  21. }
  22.