user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<preprocessor2>:
  endbr64
  push   %r15
  lea    D33(%rip),%rsi
  xor    %eax,%eax
  xor    %r15d,%r15d
  push   %r14
  lea    D22(%rip),%rdi
  lea    D11(%rip),%r14
  push   %r13
  lea    D28(%rip),%r13
  push   %r12
  lea    D16(%rip),%r12
  push   %rbp
  lea    D7(%rip),%rbp
  push   %rbx
  mov    $0xffffffff,%ebx
  sub    $0x8,%rsp
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    $0x39,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    $0x1,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    %r13,%rdi
  mov    $0x3f,%edx
  mov    %r14,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x9,%edi
  jmp    L11
  nopl   0x0(%rax)
L0:
  call   <putchar@plt>
L18:
  add    $0x1,%r15
  movsbl (%r12,%r15,1),%edi
  test   %dil,%dil
  je     L42
L11:
  mov    %r15d,%ebp
  cmp    $0x1f,%dil
  jg     L18
  cmp    $0x9,%dil
  jne    L0
  mov    %r15d,%eax
  sub    %ebx,%eax
  mov    $0x8,%ebx
  sub    $0x1,%eax
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  shr    $0x1d,%ecx
  add    %ecx,%eax
  and    $0x7,%eax
  sub    %ecx,%eax
  sub    %eax,%ebx
  nopl   0x0(%rax,%rax,1)
L1:
  mov    $0x20,%edi
  call   <putchar@plt>
  sub    $0x1,%ebx
  jne    L1
  add    $0x1,%r15
  mov    %ebp,%ebx
  movsbl (%r12,%r15,1),%edi
  test   %dil,%dil
  jne    L11
L42:
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    %r14,%rsi
  mov    %r13,%rdi
  mov    $0x4c,%edx
  xor    %eax,%eax
  call   <printf@plt>
  lea    D33(%rip),%rsi
  lea    D1(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D33
data_type: string
name: unpack_data
arguments: data_label: D22
data_type: string
name: unpack_data
arguments: data_label: D11
data_type: string
name: unpack_data
arguments: data_label: D28
data_type: string
name: unpack_data
arguments: data_label: D16
data_type: string
name: unpack_data
arguments: data_label: D7
data_type: string
name: unpack_data
arguments: data_label: D1
data_type: string

tool: D33: preprocessor2

tool: D22: ----- START %s


tool: D11: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/reslaurentii/sandbox/refs/heads/master/src/preprocessor.c

tool: D28: ** look at %s:%d **


tool: D16: 	wihch	if?

tool: D7: a= %d	

tool: D1: ----- END %s


assistant: ```c
int preprocessor2(void) {
  printf("----- START %s\n", __FUNCTION__);
  {
    int x = 1;
    printf("a= %d\t", (int)(- -x));
    putchar('\n');
  }
  printf("** look at %s:%d **\n", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/reslaurentii/sandbox/refs/heads/master/src/preprocessor.c", 57);
  {
    printf("a= %d\t", (int)((((10080 / 60) / 24) / 7)));
    putchar('\n');
    printf("a= %d\t", (int)((((86400 / 60) / 60) / 24)));
    putchar('\n');
  }
  printf("** look at %s:%d **\n", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/reslaurentii/sandbox/refs/heads/master/src/preprocessor.c", 63);
  {
    static char input[] = "\twihch\tif?";
    char c;
    int i, oldi, temp;
    for (oldi = -1, i = 0; (c = input[i]) != '\0'; i++)
      if (c < ' ')
        if (c == '\t')
          for (temp = 8 - (i - oldi - 1) % 8, oldi = i; temp; temp--)
            putchar(' ');
        else
          putchar(c);
    putchar('\n');
  }
  printf("** look at %s:%d **\n", "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/reslaurentii/sandbox/refs/heads/master/src/preprocessor.c", 76);
  printf("----- END %s\n", __FUNCTION__);
  return 0;
}
```