user: 这段汇编代码用C语言表示是什么样的？

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D49(%rip),%rdi
  call   <printf@plt>
  lea    D123(%rip),%rdi
  call   <printf@plt>
  lea    D40(%rip),%rdi
  call   <printf@plt>
  lea    D39(%rip),%rdi
  call   <printf@plt>
  lea    D51(%rip),%rdi
  call   <printf@plt>
  lea    D153(%rip),%rdi
  call   <printf@plt>
  lea    D47(%rip),%rdi
  call   <printf@plt>
  lea    D119(%rip),%rdi
  call   <printf@plt>
  lea    D147(%rip),%rdi
  call   <printf@plt>
  lea    D21(%rip),%rdi
  call   <printf@plt>
  lea    D107(%rip),%rdi
  call   <printf@plt>
  lea    D38(%rip),%rdi
  call   <printf@plt>
  lea    D89(%rip),%rdi
  call   <printf@plt>
  lea    D96(%rip),%rdi
  call   <printf@plt>
  lea    D131(%rip),%rdi
  call   <printf@plt>
  lea    D151(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D49
type: string
name: unpack_data
arguments: data_tag: D123
type: string
name: unpack_data
arguments: data_tag: D40
type: string
name: unpack_data
arguments: data_tag: D39
type: string
name: unpack_data
arguments: data_tag: D51
type: string
name: unpack_data
arguments: data_tag: D153
type: string
name: unpack_data
arguments: data_tag: D47
type: string
name: unpack_data
arguments: data_tag: D119
type: string
name: unpack_data
arguments: data_tag: D147
type: string
name: unpack_data
arguments: data_tag: D21
type: string
name: unpack_data
arguments: data_tag: D107
type: string
name: unpack_data
arguments: data_tag: D38
type: string
name: unpack_data
arguments: data_tag: D89
type: string
name: unpack_data
arguments: data_tag: D96
type: string
name: unpack_data
arguments: data_tag: D131
type: string
name: unpack_data
arguments: data_tag: D151
type: string

tool: D49: memqd 1.0.1


tool: D123: -p <num>      port number to listen on


tool: D40: -l <ip_addr>  interface to listen on, default is INDRR_ANY


tool: D39: -d            run as a daemon


tool: D51: -r            maximize core file limit


tool: D153: -u <username> assume identity of <username> (only when run as root)


tool: D47: -m <num>      max memory to use for items in megabytes, default is 64 MB


tool: D119: -M            return error on memory exhausted (rather than removing items)


tool: D147: -c <num>      max simultaneous connections, default is 1024


tool: D21: -k            lock down all paged memory


tool: D107: -v            verbose (print errors/warnings while in event loop)


tool: D38: -vv           very verbose (also print client commands/reponses)


tool: D89: -h            print this help and exit


tool: D96: -i            print memqd and libevent license


tool: D131: -b            run a managed instanced (mnemonic: buckets)


tool: D151: -P <file>     save PID in <file>, only used with -d option


assistant: ```c
void usage(void) {
  printf("memqd"
         " "
         "1.0.1"
         "\n");
  printf("-p <num>      port number to listen on\n");
  printf("-l <ip_addr>  interface to listen on, default is INDRR_ANY\n");
  printf("-d            run as a daemon\n");
  printf("-r            maximize core file limit\n");
  printf("-u <username> assume identity of <username> (only when run as root)\n");
  printf("-m <num>      max memory to use for items in megabytes, default is 64 MB\n");
  printf("-M            return error on memory exhausted (rather than removing items)\n");
  printf("-c <num>      max simultaneous connections, default is 1024\n");
  printf("-k            lock down all paged memory\n");
  printf("-v            verbose (print errors/warnings while in event loop)\n");
  printf("-vv           very verbose (also print client commands/reponses)\n");
  printf("-h            print this help and exit\n");
  printf("-i            print memqd and libevent license\n");
  printf("-b            run a managed instanced (mnemonic: buckets)\n");
  printf("-P <file>     save PID in <file>, only used with -d option\n");
  return;
}
```