user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbx
  lea    D90(%rip),%rdi
  call   <check_file_size@plt>
  test   %rax,%rax
  js     L74
  lea    D12(%rip),%rdi
  call   <check_file_size@plt>
  test   %rax,%rax
  js     L19
  lea    D88(%rip),%rdi
  call   <check_file_size@plt>
  test   %rax,%rax
  js     L33
  lea    D140(%rip),%rdi
  call   <check_file_size@plt>
  test   %rax,%rax
  js     L93
  lea    D78(%rip),%rsi
  lea    D90(%rip),%rdi
  call   <copy_file@plt>
  lea    D181(%rip),%rsi
  lea    D12(%rip),%rdi
  call   <copy_file@plt>
  lea    D7(%rip),%rbx
  mov    %rbx,%rsi
  lea    D88(%rip),%rdi
  call   <copy_file@plt>
  mov    $0x1ed,%esi
  mov    %rbx,%rdi
  call   <chmod@plt>
  lea    D14(%rip),%rdi
  call   <check_file_size@plt>
  test   %rax,%rax
  je     L8
L79:
  lea    D14(%rip),%rdi
  call   <unlink@plt>
  lea    D13(%rip),%rdi
  call   <chdir@plt>
  lea    D62(%rip),%rdi
  call   <unlink@plt>
  lea    D138(%rip),%rdi
  call   <unlink@plt>
  lea    D144(%rip),%rdi
  call   <unlink@plt>
  lea    D121(%rip),%rdi
  call   <extract_tar_file@plt>
  mov    $0x0,%eax
L80:
  pop    %rbx
  ret
L8:
  lea    D51(%rip),%rsi
  lea    D14(%rip),%rdi
  call   <copy_file@plt>
  jmp    L79
L74:
  mov    $0xffffffff,%eax
  jmp    L80
L19:
  mov    $0xffffffff,%eax
  jmp    L80
L33:
  mov    $0xffffffff,%eax
  jmp    L80
L93:
  mov    $0xffffffff,%eax
  jmp    L80
```

tool_calls: name: disassemble_data
arguments: data_tag: D90
type: string
name: disassemble_data
arguments: data_tag: D12
type: string
name: disassemble_data
arguments: data_tag: D88
type: string
name: disassemble_data
arguments: data_tag: D140
type: string
name: disassemble_data
arguments: data_tag: D78
type: string
name: disassemble_data
arguments: data_tag: D181
type: string
name: disassemble_data
arguments: data_tag: D7
type: string
name: disassemble_data
arguments: data_tag: D14
type: string
name: disassemble_data
arguments: data_tag: D13
type: string
name: disassemble_data
arguments: data_tag: D62
type: string
name: disassemble_data
arguments: data_tag: D138
type: string
name: disassemble_data
arguments: data_tag: D144
type: string
name: disassemble_data
arguments: data_tag: D121
type: string
name: disassemble_data
arguments: data_tag: D51
type: string

tool: D90: looper2.ko

tool: D12: spi.ko

tool: D88: userif

tool: D140: lp1-www.tar

tool: D78: /j/looper2.ko

tool: D181: /j/spi.ko

tool: D7: /j/userif

tool: D14: uImage

tool: D13: /j

tool: D62: html/testpage.html

tool: D138: html/upgrade.html

tool: D144: cgi-bin/test.cgi

tool: D121: /mnt/lp1-www.tar

tool: D51: /dev/mtdblock1

assistant: ```c
int main(int argc, char **argv) {
  if (check_file_size("looper2.ko") < 0 || check_file_size("spi.ko") < 0 || check_file_size("userif") < 0 || check_file_size("lp1-www.tar") < 0) {
    return -1;
  }
  copy_file("looper2.ko", "/j/looper2.ko");
  copy_file("spi.ko", "/j/spi.ko");
  copy_file("userif", "/j/userif");
  chmod("/j/userif", 0755);
  if (check_file_size("uImage") == 0) {
    copy_file("uImage", "/dev/mtdblock1");
  }
  unlink("uImage");
  chdir("/j");
  unlink("html/testpage.html");
  unlink("html/upgrade.html");
  unlink("cgi-bin/test.cgi");
  extract_tar_file("/mnt/lp1-www.tar");
  return 0;
}
```