user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<command_dispatcher>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x828,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x818(%rsp)
  xor    %eax,%eax
  lea    0x410(%rsp),%rbp
  mov    %rbp,%rdx
  lea    D7(%rip),%rsi
  call   <sscanf@plt>
  lea    D91(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L99
  lea    0xc(%rsp),%rcx
  mov    %rbp,%rdx
  lea    D96(%rip),%rsi
  mov    %rbx,%rdi
  call   <sscanf@plt>
  mov    0xc(%rsp),%edi
  call   <join_command@plt>
L74:
  mov    0x818(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L19
  add    $0x828,%rsp
  pop    %rbx
  pop    %rbp
  ret
L99:
  lea    0x410(%rsp),%rdi
  lea    D95(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L21
  lea    0x10(%rsp),%rbp
  lea    0xc(%rsp),%rcx
  lea    0x410(%rsp),%rdx
  mov    %rbp,%r8
  lea    D1(%rip),%rsi
  mov    %rbx,%rdi
  call   <sscanf@plt>
  mov    %rbp,%rsi
  mov    0xc(%rsp),%edi
  call   <send_command@plt>
  jmp    L74
L21:
  lea    0x410(%rsp),%rdi
  lea    D48(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L93
  lea    0xc(%rsp),%rcx
  lea    0x410(%rsp),%rdx
  lea    D96(%rip),%rsi
  mov    %rbx,%rdi
  call   <sscanf@plt>
  mov    0xc(%rsp),%edi
  call   <leave_command@plt>
  jmp    L74
L93:
  lea    0x410(%rsp),%rdi
  lea    D33(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L4
  lea    0xc(%rsp),%rcx
  lea    0x410(%rsp),%rdx
  lea    D47(%rip),%rsi
  mov    %rbx,%rdi
  call   <sscanf@plt>
  movsbl 0xc(%rsp),%edi
  call   <show_command@plt>
  jmp    L74
L4:
  lea    0x410(%rsp),%rdi
  lea    D75(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L74
  call   <quit_command@plt>
  jmp    L74
L19:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D7
type_guessed: string
name: unpack_data
arguments: label: D91
type_guessed: string
name: unpack_data
arguments: label: D96
type_guessed: string
name: unpack_data
arguments: label: D95
type_guessed: string
name: unpack_data
arguments: label: D1
type_guessed: string
name: unpack_data
arguments: label: D48
type_guessed: string
name: unpack_data
arguments: label: D33
type_guessed: string
name: unpack_data
arguments: label: D47
type_guessed: string
name: unpack_data
arguments: label: D75
type_guessed: string

tool: D7: %s

tool: D91: join

tool: D96: %s %d

tool: D95: send

tool: D1: %s %d %[^
]%*c

tool: D48: leave

tool: D33: show

tool: D47: %s %c

tool: D75: quit

assistant: ```c
void command_dispatcher(const char *command) {
  int group_id;
  char message_body[1024];
  char verb[1024];
  sscanf(command, "%s", verb);
  if (strcmp(verb, "join") == 0) {
    sscanf(command, "%s %d", verb, &group_id);
    join_command(group_id);
  } else if (strcmp(verb, "send") == 0) {
    sscanf(command, "%s %d %[^\n]%*c", verb, &group_id, message_body);
    send_command(group_id, message_body);
  } else if (strcmp(verb, "leave") == 0) {
    sscanf(command, "%s %d", verb, &group_id);
    leave_command(group_id);
  } else if (strcmp(verb, "show") == 0) {
    char show_c;
    sscanf(command, "%s %c", verb, &show_c);
    show_command(show_c);
  } else if (strcmp(verb, "quit") == 0) {
    quit_command();
  }
}
```