user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<readaheadext>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D91(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D78(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D44(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D55(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D93(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0xc(%rbp),%eax
  cmp    $0x1,%eax
  jne    L0
  mov    $0x0,%eax
  call   <raext256@plt>
L0:
  mov    -0xc(%rbp),%eax
  cmp    $0x2,%eax
  jne    L77
  mov    $0x0,%eax
  call   <raext512@plt>
L77:
  mov    -0xc(%rbp),%eax
  cmp    $0x3,%eax
  jne    L49
  mov    $0x0,%eax
  call   <raext1024@plt>
L49:
  mov    -0xc(%rbp),%eax
  cmp    $0x4,%eax
  jne    L37
  mov    $0x0,%eax
  call   <raext2048@plt>
L37:
  mov    -0xc(%rbp),%eax
  cmp    $0x5,%eax
  jne    L44
  mov    $0x0,%eax
  call   <raext3072@plt>
L44:
  mov    -0xc(%rbp),%eax
  cmp    $0x6,%eax
  jne    L48
  mov    $0x0,%eax
  call   <raext4096@plt>
L48:
  mov    -0xc(%rbp),%eax
  test   %eax,%eax
  jne    L13
  mov    $0x0,%eax
  call   <load_menu@plt>
L13:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L79
  call   <__stack_chk_fail@plt>
L79:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D91
type_guessed: string
name: unpack_data
arguments: data_label: D5
type_guessed: string
name: unpack_data
arguments: data_label: D78
type_guessed: string
name: unpack_data
arguments: data_label: D4
type_guessed: string
name: unpack_data
arguments: data_label: D44
type_guessed: string
name: unpack_data
arguments: data_label: D55
type_guessed: string
name: unpack_data
arguments: data_label: D93
type_guessed: string
name: unpack_data
arguments: data_label: D1
type_guessed: string
name: unpack_data
arguments: data_label: D69
type_guessed: string
name: unpack_data
arguments: data_label: D41
type_guessed: string

tool: D91: Cache size of External SDCard?



tool: D5:  [1] 256kb (default)


tool: D78:  [2] 512kb


tool: D4:  [3] 1024kb


tool: D44:  [4] 2048kb


tool: D55:  [5] 3072kb


tool: D93:  [6] 4096kb


tool: D1:  [0] Cancel


tool: D69: 
Choice: 

tool: D41: %d

assistant: ```c
void readaheadext() {
  printf("Cache size of External SDCard?\n\n");
  printf(" [1] 256kb (default)\n");
  printf(" [2] 512kb\n");
  printf(" [3] 1024kb\n");
  printf(" [4] 2048kb\n");
  printf(" [5] 3072kb\n");
  printf(" [6] 4096kb\n");
  printf(" [0] Cancel\n");
  printf("\nChoice: ");
  int raext;
  scanf("%d", &raext);
  if (raext == 1)
    raext256();
  if (raext == 2)
    raext512();
  if (raext == 3)
    raext1024();
  if (raext == 4)
    raext2048();
  if (raext == 5)
    raext3072();
  if (raext == 6)
    raext4096();
  if (raext == 0)
    load_menu();
}
```