#include <stdlib.h>
#include <stdio.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
  int pid = 0, wait_fils = 0, nmb_instruction = 0;

  printf("** Simple Debugger ptrace() **\n\n");
  switch(pid=fork())
    {
    case -1:
      printf("\t[-]Erreur\n");
      break;
    case 0:
      ptrace(PTRACE_TRACEME, 0, 0, 0);
      execl("/bin/ls", "ls", NULL);
      break;
    default:
      wait(&wait_fils);
      while(wait_fils == 1407)
	{
	  nmb_instruction++;
	  ptrace(PTRACE_SINGLESTEP, pid, 0, 0);
	  wait(&wait_fils);
        }
    }
  printf("Blahhhhhh: %d\n\n", nmb_instruction);
  return 0;
}