user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x30,%rsp
  mov    %edi,%ebx
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    D71(%rip),%rdi
  call   <puts@plt>
  lea    D69(%rip),%rdi
  call   <puts@plt>
  lea    D65(%rip),%rdi
  call   <puts@plt>
  lea    D17(%rip),%rdi
  call   <puts@plt>
  cmp    $0x2,%ebx
  je     L62
  lea    D90(%rip),%rdi
  call   <puts@plt>
  lea    D64(%rip),%rdi
  call   <puts@plt>
L39:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  mov    $0x0,%eax
  add    $0x30,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L62:
  mov    0x8(%rbp),%rsi
  lea    D50(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%ebx
  mov    $0x0,%r12d
  jmp    L41
L5:
  mov    0x8(%rbp),%rax
  movsbl (%rax,%rbx,1),%eax
  add    %eax,%r12d
  add    $0x1,%rbx
L41:
  mov    0x8(%rbp),%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jg     L5
  cmp    $0x4f4,%r12d
  je     L45
  lea    D106(%rip),%rdi
  call   <puts@plt>
  lea    D61(%rip),%rdi
  call   <puts@plt>
  jmp    L39
L45:
  lea    D34(%rip),%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  lea    D115(%rip),%rdi
  call   <puts@plt>
  lea    D31(%rip),%rdi
  call   <puts@plt>
  lea    D100(%rip),%rdi
  call   <puts@plt>
  mov    %rsp,%rdi
  call   <uname@plt>
  mov    0x18(%rsp),%r8
  mov    0x10(%rsp),%rcx
  mov    0x8(%rsp),%rdx
  mov    (%rsp),%rsi
  lea    D4(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L39
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D71
data_type: string
name: retrieve_data
arguments: tag: D69
data_type: string
name: retrieve_data
arguments: tag: D65
data_type: string
name: retrieve_data
arguments: tag: D17
data_type: string
name: retrieve_data
arguments: tag: D90
data_type: string
name: retrieve_data
arguments: tag: D64
data_type: string
name: retrieve_data
arguments: tag: D50
data_type: string
name: retrieve_data
arguments: tag: D106
data_type: string
name: retrieve_data
arguments: tag: D61
data_type: string
name: retrieve_data
arguments: tag: D34
data_type: string
name: retrieve_data
arguments: tag: D115
data_type: string
name: retrieve_data
arguments: tag: D31
data_type: string
name: retrieve_data
arguments: tag: D100
data_type: string
name: retrieve_data
arguments: tag: D4
data_type: string

tool: D71: Welcome to the iOS Reverse Engineering Level 3! 

tool: D69: Created by GeoSn0w (@FCE365)


tool: D65: The challenge is to hack this application so that you can use it without any serial number and obtain the flag! 


tool: D17: **************** START **************** 


tool: D90: This application requires a serial number to work! You can validate it with <key>

tool: D64: Or you can do what hackers do the best...

tool: D50: Preparing to check access key: %s


tool: D106: The serial number is not correct!

tool: D61: The application is locked!

tool: D34: Welcome! F.C.E. 365 Tool v36.1

tool: D115: Blimey! You're not a good man! You've hacked the app!
 

tool: D31: Flag: 0x038948FFFF83--DS 

tool: D100: System Identity:

tool: D4: %s Release %s (Version %s) on %s


assistant: ```c
int main(int argc, char *argv[]) {
  printf("Welcome to the iOS Reverse Engineering Level 3! \n");
  printf("Created by GeoSn0w (@FCE365)\n\n");
  printf("The challenge is to hack this application so that you can use it without any serial number and obtain the flag! \n\n");
  printf("**************** START **************** \n\n");
  if (argc == 2) {
    printf("Preparing to check access key: %s\n", argv[1]);
    int hex = 0;
    for (int access = 0; access < strlen(argv[1]); access++) {
      hex += (int)argv[1][access];
    }
    if (hex == 1268) {
      printf("Welcome! F.C.E. 365 Tool v36.1\n");
      printf("\n");
      printf("Blimey! You're not a good man! You've hacked the app!\n \n");
      printf("Flag: 0x038948FFFF83--DS \n");
      printf("System Identity:\n");
      struct utsname u;
      uname(&u);
      printf("%s Release %s (Version %s) on %s\n", u.sysname, u.release, u.version, u.machine);
      return 0;
    } else {
      printf("The serial number is not correct!\n");
      printf("The application is locked!\n");
    }
  } else {
    printf("This application requires a serial number to work! You can validate it with <key>\n");
    printf("Or you can do what hackers do the best...\n");
  }
  return 0;
}
```