user: What would the C source look like for the assembly code provided here?

```asm
<usage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%rax
  lea    D6(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <fprintf@plt>
  nop
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D6
data_type: string

tool: D6: Usage: %s [options] [command]

Options:
-h | --help              Print this message
-v | --version           Print version
-d | --directory         Directory (default: /var/p2pfoodlab)
-c | --config            Alternative config file (default: ${directory}/etc/config.json)
-l | --log               Log file ('-' for stderr, default: /var/p2pfoodlab/log.txt)
-t | --test              Test run
-o | --output-file       Where to write the data/image to ['-' for console]
-D | --debug             Print debug message
Commands:
  update                 Parse the config, create the OpenSensorData definitions if needed,
                         update sensors and/or camera if necessary,
                         upload data and photos [default]
  store-data             Store the latest sensor values
  upload-data            Upload the datapoints
  camera                 Grab a photo
  upload-photos          Upload the photos on the disk
  get-time               Get the current time on the arduino
  set-time               Set the time on the arduino
  list-events            Set the time on the arduino
  ifup                   Bring the network inerface up
  ifdown                 Bring the network inerface down
  osd                    Create the OpenSensorData definitions
  measure                Measure and print sensor values
  generate-system-files  Generate system files
  system-init            Generate system files and bring up the network
  merge filename         Merge the file into the existing config file


assistant: ```c
void usage(FILE *fp, int argc, char **argv) {
  fprintf(fp,
          "Usage: %s [options] [command]\n\n"
          "Options:\n"
          "-h | --help              Print this message\n"
          "-v | --version           Print version\n"
          "-d | --directory         Directory (default: /var/p2pfoodlab)\n"
          "-c | --config            Alternative config file (default: ${directory}/etc/config.json)\n"
          "-l | --log               Log file ('-' for stderr, default: /var/p2pfoodlab/log.txt)\n"
          "-t | --test              Test run\n"
          "-o | --output-file       Where to write the data/image to ['-' for console]\n"
          "-D | --debug             Print debug message\n"
          "Commands:\n"
          "  update                 Parse the config, create the OpenSensorData definitions if needed,\n"
          "                         update sensors and/or camera if necessary,\n"
          "                         upload data and photos [default]\n"
          "  store-data             Store the latest sensor values\n"
          "  upload-data            Upload the datapoints\n"
          "  camera                 Grab a photo\n"
          "  upload-photos          Upload the photos on the disk\n"
          "  get-time               Get the current time on the arduino\n"
          "  set-time               Set the time on the arduino\n"
          "  list-events            Set the time on the arduino\n"
          "  ifup                   Bring the network inerface up\n"
          "  ifdown                 Bring the network inerface down\n"
          "  osd                    Create the OpenSensorData definitions\n"
          "  measure                Measure and print sensor values\n"
          "  generate-system-files  Generate system files\n"
          "  system-init            Generate system files and bring up the network\n"
          "  merge filename         Merge the file into the existing config file\n"
          "",
          argv[0]);
}
```