user: 请从给定的汇编指令推导出C源代码:

```asm
<usage>:
  endbr64
  push   %rbp
  lea    D31(%rip),%rbp
  lea    D104(%rip),%rdx
  xor    %eax,%eax
  mov    %rbp,%rsi
  lea    D141(%rip),%rdi
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D3(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D146(%rip),%rdi
  call   <puts@plt>
  lea    D120(%rip),%rdi
  call   <puts@plt>
  lea    D109(%rip),%rdi
  call   <puts@plt>
  lea    D149(%rip),%rdi
  call   <puts@plt>
  lea    D67(%rip),%rdi
  call   <puts@plt>
  lea    D45(%rip),%rdi
  call   <puts@plt>
  lea    D128(%rip),%rdi
  call   <puts@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  lea    D121(%rip),%rdi
  call   <puts@plt>
  lea    D114(%rip),%rdi
  call   <puts@plt>
  lea    D124(%rip),%rdi
  call   <puts@plt>
  lea    D147(%rip),%rdi
  call   <puts@plt>
  lea    D152(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  pop    %rbp
  jmp    10b0 <die@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D31
type_guessed: string
name: disassemble_data
arguments: data_tag: D104
type_guessed: string
name: disassemble_data
arguments: data_tag: D141
type_guessed: string
name: disassemble_data
arguments: data_tag: D3
type_guessed: string
name: disassemble_data
arguments: data_tag: D146
type_guessed: string
name: disassemble_data
arguments: data_tag: D120
type_guessed: string
name: disassemble_data
arguments: data_tag: D109
type_guessed: string
name: disassemble_data
arguments: data_tag: D149
type_guessed: string
name: disassemble_data
arguments: data_tag: D67
type_guessed: string
name: disassemble_data
arguments: data_tag: D45
type_guessed: string
name: disassemble_data
arguments: data_tag: D128
type_guessed: string
name: disassemble_data
arguments: data_tag: D121
type_guessed: string
name: disassemble_data
arguments: data_tag: D114
type_guessed: string
name: disassemble_data
arguments: data_tag: D124
type_guessed: string
name: disassemble_data
arguments: data_tag: D147
type_guessed: string
name: disassemble_data
arguments: data_tag: D152
type_guessed: string

tool: D31: vlink

tool: D104: 0.9

tool: D141: 
%s %s


tool: D3: Usage: %s <linktype> <cmd> [<args> ...]


tool: D146: Linktypes:

tool: D120:   ethernet

tool: D109: Commands:

tool: D149:   add <name> <rootdev> <port>

tool: D67:   rm <name>

tool: D45:   hook <rootdev>

tool: D128:   unhook <rootdev>

tool: D121: Please report bugs to <dborkma@tik.ee.ethz.ch>

tool: D114: Copyright (C) 2011 Daniel Borkmann

tool: D124: License: GNU GPL version 2

tool: D147: This is free software: you are free to change and redistribute it.

tool: D152: There is NO WARRANTY, to the extent permitted by law.


assistant: ```c
void usage(void) {
  printf("\n%s %s\n", "vlink", "0.9");
  printf("Usage: %s <linktype> <cmd> [<args> ...]\n", "vlink");
  printf("Linktypes:\n");
  printf("  ethernet\n");
  printf("Commands:\n");
  printf("  add <name> <rootdev> <port>\n");
  printf("  rm <name>\n");
  printf("  hook <rootdev>\n");
  printf("  unhook <rootdev>\n");
  printf("\n");
  printf("Please report bugs to <dborkma@tik.ee.ethz.ch>\n");
  printf("Copyright (C) 2011 Daniel Borkmann\n");
  printf("License: GNU GPL version 2\n");
  printf("This is free software: you are free to change and redistribute it.\n");
  printf("There is NO WARRANTY, to the extent permitted by law.\n\n");
  die();
}
```