user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<DOhelp>:
  endbr64
  sub    $0x28,%rsp
  lea    D117(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    D428(%rip),%rdi
  call   <printf@plt>
  lea    D370(%rip),%rdi
  call   <printf@plt>
  lea    D58(%rip),%rdi
  call   <printf@plt>
  lea    D217(%rip),%rdi
  call   <printf@plt>
  lea    D304(%rip),%rdi
  call   <printf@plt>
  lea    D127(%rip),%rdi
  call   <printf@plt>
  lea    D149(%rip),%rdi
  call   <printf@plt>
  lea    D243(%rip),%rdi
  call   <printf@plt>
  lea    D114(%rip),%rdi
  call   <printf@plt>
  lea    D437(%rip),%rdi
  call   <printf@plt>
  lea    D360(%rip),%rdi
  call   <printf@plt>
  lea    D59(%rip),%rdi
  call   <printf@plt>
  lea    D53(%rip),%rdi
  call   <printf@plt>
  lea    D164(%rip),%rdi
  call   <printf@plt>
  lea    D255(%rip),%rdi
  call   <printf@plt>
  lea    D396(%rip),%rdi
  call   <printf@plt>
  lea    D388(%rip),%rdi
  call   <printf@plt>
  lea    D4(%rip),%rdi
  call   <printf@plt>
  lea    D28(%rip),%rdi
  call   <printf@plt>
  lea    D405(%rip),%rdi
  call   <printf@plt>
  lea    D66(%rip),%rdi
  call   <printf@plt>
  lea    D362(%rip),%rdi
  call   <printf@plt>
  lea    0xe(%rsp),%rsi
  mov    $0xa,%edx
  lea    D176(%rip),%rdi
  call   <readline@plt>
  lea    D26(%rip),%rdi
  call   <printf@plt>
  lea    D113(%rip),%rdi
  call   <printf@plt>
  lea    D338(%rip),%rdi
  call   <printf@plt>
  lea    D309(%rip),%rdi
  call   <printf@plt>
  lea    D267(%rip),%rdi
  call   <printf@plt>
  lea    D256(%rip),%rdi
  call   <printf@plt>
  lea    D155(%rip),%rdi
  call   <printf@plt>
  lea    D366(%rip),%rdi
  call   <printf@plt>
  lea    D190(%rip),%rdi
  call   <printf@plt>
  lea    D416(%rip),%rdi
  call   <printf@plt>
  lea    D10(%rip),%rdi
  call   <printf@plt>
  lea    D133(%rip),%rdi
  call   <printf@plt>
  lea    D211(%rip),%rdi
  call   <printf@plt>
  lea    D169(%rip),%rdi
  call   <printf@plt>
  lea    D166(%rip),%rdi
  call   <printf@plt>
  lea    D17(%rip),%rdi
  call   <printf@plt>
  lea    D186(%rip),%rdi
  call   <printf@plt>
  lea    D315(%rip),%rdi
  call   <printf@plt>
  lea    D368(%rip),%rdi
  call   <printf@plt>
  lea    D128(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D117
data_type: string
name: unpack_data
arguments: label: D428
data_type: string
name: unpack_data
arguments: label: D370
data_type: string
name: unpack_data
arguments: label: D58
data_type: string
name: unpack_data
arguments: label: D217
data_type: string
name: unpack_data
arguments: label: D304
data_type: string
name: unpack_data
arguments: label: D127
data_type: string
name: unpack_data
arguments: label: D149
data_type: string
name: unpack_data
arguments: label: D243
data_type: string
name: unpack_data
arguments: label: D114
data_type: string
name: unpack_data
arguments: label: D437
data_type: string
name: unpack_data
arguments: label: D360
data_type: string
name: unpack_data
arguments: label: D59
data_type: string
name: unpack_data
arguments: label: D53
data_type: string
name: unpack_data
arguments: label: D164
data_type: string
name: unpack_data
arguments: label: D255
data_type: string
name: unpack_data
arguments: label: D396
data_type: string
name: unpack_data
arguments: label: D388
data_type: string
name: unpack_data
arguments: label: D4
data_type: string
name: unpack_data
arguments: label: D28
data_type: string
name: unpack_data
arguments: label: D405
data_type: string
name: unpack_data
arguments: label: D66
data_type: string
name: unpack_data
arguments: label: D362
data_type: string
name: unpack_data
arguments: label: D176
data_type: string
name: unpack_data
arguments: label: D26
data_type: string
name: unpack_data
arguments: label: D113
data_type: string
name: unpack_data
arguments: label: D338
data_type: string
name: unpack_data
arguments: label: D309
data_type: string
name: unpack_data
arguments: label: D267
data_type: string
name: unpack_data
arguments: label: D256
data_type: string
name: unpack_data
arguments: label: D155
data_type: string
name: unpack_data
arguments: label: D366
data_type: string
name: unpack_data
arguments: label: D190
data_type: string
name: unpack_data
arguments: label: D416
data_type: string
name: unpack_data
arguments: label: D10
data_type: string
name: unpack_data
arguments: label: D133
data_type: string
name: unpack_data
arguments: label: D211
data_type: string
name: unpack_data
arguments: label: D169
data_type: string
name: unpack_data
arguments: label: D166
data_type: string
name: unpack_data
arguments: label: D17
data_type: string
name: unpack_data
arguments: label: D186
data_type: string
name: unpack_data
arguments: label: D315
data_type: string
name: unpack_data
arguments: label: D368
data_type: string
name: unpack_data
arguments: label: D128
data_type: string

tool: D117: Command:      Description


tool: D428: !             Escape to a shell


tool: D370: append        Append a file to remote host


tool: D58: ascii         Set file transfer mode to ascii


tool: D217: binary        Set file transfer mode to binary


tool: D304: bye           Close connection and exit


tool: D127: cd            Change directory on remote host


tool: D149: close         Close connection


tool: D243: del           Remove file on remote host


tool: D114: dir           Display long form remote host directory listing


tool: D437: exit          Close connection and exit


tool: D360: get           Retrieve a file from remote host


tool: D59: help          Display this text


tool: D53: lcd           Change directory on local host


tool: D164: ldir          Display long form local host directory listing


tool: D255: lls           Display local host directory listing


tool: D396: lmkdir        Create directory on local host


tool: D388: lpwd          Display current directory on local host


tool: D4: lrmdir        Remove directory on local host


tool: D28: ls            Display remote host directory listing


tool: D405: mget          Retrieve multiple files from remote host


tool: D66: mkdir         Create directory on remote host


tool: D362: mod           Get file modification time


tool: D176: Press ENTER to continue... 

tool: D26: mput          Send multiple files to remote host


tool: D113: noop          Send the ftp NOOP command


tool: D338: open          Open connection to remote host


tool: D309: pass          Enter remote user password


tool: D267: passive       Toggle passive mode


tool: D256: put           Send a file to remote host


tool: D155: putu          Send a file to remote host(unique)


tool: D366: pwd           Display current directory on remote host


tool: D190: quit          Close connection and exit


tool: D416: quote         Send raw ftp command to remote host


tool: D10: reget         Restart a partial file retrieve from remote host


tool: D133: remotehelp    Display ftp commands implemented on remote host


tool: D211: reput         Restart a partial file send to remote host


tool: D169: rm            Remove file on remote host


tool: D166: rmdir         Remove directory on remote host


tool: D17: site          Send a site specific command


tool: D186: size          Get file size information


tool: D315: status        Get connection/file status information


tool: D368: system        Get remote system type information


tool: D128: user          Enter remote user information


assistant: ```c
int DOhelp() {
  char junk[10];
  printf("Command:      Description\n");
  printf("!             Escape to a shell\n");
  printf("append        Append a file to remote host\n");
  printf("ascii         Set file transfer mode to ascii\n");
  printf("binary        Set file transfer mode to binary\n");
  printf("bye           Close connection and exit\n");
  printf("cd            Change directory on remote host\n");
  printf("close         Close connection\n");
  printf("del           Remove file on remote host\n");
  printf("dir           Display long form remote host directory listing\n");
  printf("exit          Close connection and exit\n");
  printf("get           Retrieve a file from remote host\n");
  printf("help          Display this text\n");
  printf("lcd           Change directory on local host\n");
  printf("ldir          Display long form local host directory listing\n");
  printf("lls           Display local host directory listing\n");
  printf("lmkdir        Create directory on local host\n");
  printf("lpwd          Display current directory on local host\n");
  printf("lrmdir        Remove directory on local host\n");
  printf("ls            Display remote host directory listing\n");
  printf("mget          Retrieve multiple files from remote host\n");
  printf("mkdir         Create directory on remote host\n");
  printf("mod           Get file modification time\n");
  readline("Press ENTER to continue... ", junk, sizeof(junk));
  printf("mput          Send multiple files to remote host\n");
  printf("noop          Send the ftp NOOP command\n");
  printf("open          Open connection to remote host\n");
  printf("pass          Enter remote user password\n");
  printf("passive       Toggle passive mode\n");
  printf("put           Send a file to remote host\n");
  printf("putu          Send a file to remote host(unique)\n");
  printf("pwd           Display current directory on remote host\n");
  printf("quit          Close connection and exit\n");
  printf("quote         Send raw ftp command to remote host\n");
  printf("reget         Restart a partial file retrieve from remote host\n");
  printf("remotehelp    Display ftp commands implemented on remote host\n");
  printf("reput         Restart a partial file send to remote host\n");
  printf("rm            Remove file on remote host\n");
  printf("rmdir         Remove directory on remote host\n");
  printf("site          Send a site specific command\n");
  printf("size          Get file size information\n");
  printf("status        Get connection/file status information\n");
  printf("system        Get remote system type information\n");
  printf("user          Enter remote user information\n");
  return (0);
}
```