user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r12
  lea    D4(%rip),%r12
  lea    D22(%rip),%rdi
  push   %rbp
  mov    %r12,%rsi
  push   %rbx
  call   <fopen@plt>
  test   %rax,%rax
  je     L20
  mov    %rax,%rbp
  xor    %ebx,%ebx
  nopl   0x0(%rax)
L19:
  mov    %ebx,%edi
  mov    %rbp,%rsi
  add    $0x1,%ebx
  call   <fputc@plt>
  cmp    $0xff,%ebx
  jne    L19
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    %r12,%rsi
  lea    D0(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L20
  mov    %rax,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <fputc@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <fputc@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  mov    $0xff,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <fputc@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <fputc@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  xor    %eax,%eax
L18:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L20:
  or     $0xffffffff,%eax
  jmp    L18
```

tool_calls: name: disassemble_data
arguments: label: D4
type: string
name: disassemble_data
arguments: label: D22
type: string
name: disassemble_data
arguments: label: D0
type: string

tool: D4: w

tool: D22: ./.testbytes

tool: D0: ./.testbits

assistant: ```c
int main(void) {
  int i;
  FILE *fp;
  fp = fopen("./.testbytes", "w");
  if (!fp) {
    return -1;
  }
  for (i = 0; i < 255; i++) {
    fputc(i, fp);
  }
  fclose(fp);
  fp = fopen("./.testbits", "w");
  if (!fp) {
    return -1;
  }
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0xFF, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fputc(0x00, fp);
  fclose(fp);
}
```