text: #include <stdio.h>
  #include <unistd.h>
  #include <stdlib.h>
  
  
  void vulnFun() {
      char *argv[] = {"/bin/sh", 0};
      char *envp[] = {0};
  
      execve("/bin/sh", argv, envp);
  }
  
  void jump() {
      char buff[10];
      printf("You say jump.\n");
      printf("I say how high.\n");
      printf("How high?: ");
      fgets(buff, 48, stdin);
      int inp;
      int res = sscanf(buff, "%d", &inp);
      if(res == 0) {
          printf("You don't understand heights very well...\n");
      } else {
          printf("Not high enough!\n");
      }
  }
  
  int main() {
      jump();
      return 0;
  }
  