user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<tlsext_cb>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edx,%eax
  mov    %rcx,%r12
  mov    %r8d,%ebp
  mov    %r9,%rbx
  lea    -0x80(%rdx),%edx
  cmp    $0x9,%edx
  ja     L105
  mov    %edx,%edx
  lea    D44(%rip),%rcx
  movslq (%rcx,%rdx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  lea    D22(%rip),%rcx
L65:
  test   %esi,%esi
  lea    D89(%rip),%rdx
  lea    D92(%rip),%rsi
  cmove  %rsi,%rdx
  mov    %ebp,%r9d
  mov    %eax,%r8d
  lea    D65(%rip),%rsi
  mov    %rbx,%rdi
  call   <BIO_printf@plt>
  mov    %ebp,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <BIO_dump@plt>
  mov    %rbx,%rdi
  call   <BIO_flush@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  lea    D144(%rip),%rcx
  jmp    L65
  lea    D105(%rip),%rcx
  jmp    L65
  lea    D149(%rip),%rcx
  jmp    L65
  lea    D61(%rip),%rcx
  jmp    L65
  lea    D29(%rip),%rcx
  jmp    L65
  lea    D145(%rip),%rcx
  jmp    L65
  lea    D10(%rip),%rcx
  jmp    L65
  lea    D117(%rip),%rcx
  jmp    L65
L105:
  lea    D124(%rip),%rcx
  jmp    L65
  lea    D16(%rip),%rcx
  jmp    L65
```

tool_calls: name: parse_data
arguments: label: D22
datatype: string
name: parse_data
arguments: label: D89
datatype: string
name: parse_data
arguments: label: D92
datatype: string
name: parse_data
arguments: label: D65
datatype: string
name: parse_data
arguments: label: D144
datatype: string
name: parse_data
arguments: label: D105
datatype: string
name: parse_data
arguments: label: D149
datatype: string
name: parse_data
arguments: label: D61
datatype: string
name: parse_data
arguments: label: D29
datatype: string
name: parse_data
arguments: label: D145
datatype: string
name: parse_data
arguments: label: D10
datatype: string
name: parse_data
arguments: label: D117
datatype: string
name: parse_data
arguments: label: D124
datatype: string
name: parse_data
arguments: label: D16
datatype: string

tool: D22: max fragment length

tool: D89: server

tool: D92: client

tool: D65: TLS %s extension "%s" (id=%d), len=%d


tool: D144: client certificate URL

tool: D105: trusted CA keys

tool: D149: truncated HMAC

tool: D61: status request

tool: D29: elliptic curves

tool: D145: EC point formats

tool: D10: server ticket

tool: D117: renegotiate

tool: D124: unknown

tool: D16: server name

assistant: ```c
void tlsext_cb(SSL *s, int client_server, int type, unsigned char *data, int len, void *arg) {
  BIO *bio = arg;
  char *extname;
  switch (type) {
  case TLSEXT_TYPE_server_name:
    extname = "server name";
    break;
  case TLSEXT_TYPE_max_fragment_length:
    extname = "max fragment length";
    break;
  case TLSEXT_TYPE_client_certificate_url:
    extname = "client certificate URL";
    break;
  case TLSEXT_TYPE_trusted_ca_keys:
    extname = "trusted CA keys";
    break;
  case TLSEXT_TYPE_truncated_hmac:
    extname = "truncated HMAC";
    break;
  case TLSEXT_TYPE_status_request:
    extname = "status request";
    break;
  case TLSEXT_TYPE_elliptic_curves:
    extname = "elliptic curves";
    break;
  case TLSEXT_TYPE_ec_point_formats:
    extname = "EC point formats";
    break;
  case TLSEXT_TYPE_session_ticket:
    extname = "server ticket";
    break;
  case TLSEXT_TYPE_renegotiate:
    extname = "renegotiate";
    break;
  default:
    extname = "unknown";
    break;
  }
  BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", client_server ? "server" : "client", extname, type, len);
  BIO_dump(bio, (char *)data, len);
  (void)BIO_flush(bio);
}
```