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      1 #include <stdint.h>
      2 #include <stdio.h>
      3 
      4 uint32_t
      5 recurse_crash (uint32_t depth)
      6 {
      7     if (depth > 0)
      8         return recurse_crash (depth - 1);
      9     return 0;
     10 }
     11 
     12 int
     13 main (int argc, char const *argv[])
     14 {
     15     // If we have more than one argument, then it should a depth to recurse to.
     16     // If we have just the program name as an argument, use UINT32_MAX so we
     17     // eventually crash the program by overflowing the stack
     18     uint32_t depth = UINT32_MAX;
     19     if (argc > 1)
     20     {
     21         char *end = NULL;
     22         depth = strtoul (argv[1], &end, 0);
     23         if (end == NULL || *end != '\0')
     24             depth = UINT32_MAX;
     25     }
     26     recurse_crash (depth);
     27     return 0;
     28 }