user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<exportIO>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    -0x10(%rdi),%eax
  cmp    $0x23,%al
  ja     L51
  movzbl %al,%eax
  lea    D36(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x32,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x28,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x28,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x28,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
L87:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  mov    $0x33,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x29,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x29,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x29,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
  mov    $0x20,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x1f,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x1f,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x1f,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
  mov    $0x12,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x1e,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x1e,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x1e,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
  mov    $0x10,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x2a,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x2a,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x2a,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
  mov    $0x19,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x2b,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x2b,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x2b,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
  mov    $0x26,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x36,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x36,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x36,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
  mov    $0x27,%esi
  lea    D141(%rip),%rbp
  mov    %rbp,%rdi
  call   <writeInt@plt>
  mov    %eax,%ebx
  mov    $0x37,%esi
  mov    %rbp,%rdi
  call   <writeInt@plt>
  add    %eax,%ebx
  lea    D53(%rip),%rsi
  mov    $0x37,%edi
  call   <direction@plt>
  add    %eax,%ebx
  mov    $0x1,%esi
  mov    $0x37,%edi
  call   <setDigital@plt>
  add    %ebx,%eax
  jmp    L87
L51:
  movzbl %dil,%esi
  lea    D141(%rip),%rdi
  call   <writeInt@plt>
  jmp    L87
```

tool_calls: name: read_data
arguments: data_label: D141
type_guessed: string
name: read_data
arguments: data_label: D53
type_guessed: string

tool: D141: /sys/class/gpio/export

tool: D53: out

assistant: ```c
int exportIO(unsigned char n) {
  int r;
  switch (n) {
  case (50):
    r = writeInt("/sys/class/gpio/export", 50);
    r += writeInt("/sys/class/gpio/export", 40);
    r += direction(40, "out");
    r += setDigital(40, 1);
    return r;
    break;
  case (51):
    r = writeInt("/sys/class/gpio/export", 51);
    r += writeInt("/sys/class/gpio/export", 41);
    r += direction(41, "out");
    r += setDigital(41, 1);
    return r;
    break;
  case (32):
    r = writeInt("/sys/class/gpio/export", 32);
    r += writeInt("/sys/class/gpio/export", 31);
    r += direction(31, "out");
    r += setDigital(31, 1);
    return r;
    break;
  case (18):
    r = writeInt("/sys/class/gpio/export", 18);
    r += writeInt("/sys/class/gpio/export", 30);
    r += direction(30, "out");
    r += setDigital(30, 1);
    return r;
    break;
  case (16):
    r = writeInt("/sys/class/gpio/export", 16);
    r += writeInt("/sys/class/gpio/export", 42);
    r += direction(42, "out");
    r += setDigital(42, 1);
    return r;
    break;
  case (25):
    r = writeInt("/sys/class/gpio/export", 25);
    r += writeInt("/sys/class/gpio/export", 43);
    r += direction(43, "out");
    r += setDigital(43, 1);
    return r;
    break;
  case (38):
    r = writeInt("/sys/class/gpio/export", 38);
    r += writeInt("/sys/class/gpio/export", 54);
    r += direction(54, "out");
    r += setDigital(54, 1);
    return r;
    break;
  case (39):
    r = writeInt("/sys/class/gpio/export", 39);
    r += writeInt("/sys/class/gpio/export", 55);
    r += direction(55, "out");
    r += setDigital(55, 1);
    return r;
    break;
  default:
    return writeInt("/sys/class/gpio/export", n);
  }
}
```