user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<bitunstuff>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x68(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x4c(%rbp)
  mov    -0x4c(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L16:
  cmp    %rdx,%rsp
  je     L12
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L16
L12:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L121
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L121:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x5c(%rbp)
  movl   $0x0,-0x54(%rbp)
  movl   $0x0,-0x50(%rbp)
  jmp    L67
L116:
  mov    -0x5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%ecx
  mov    -0x40(%rbp),%rdx
  mov    -0x54(%rbp),%eax
  cltq
  mov    %cl,(%rdx,%rax,1)
  mov    -0x5c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jne    L31
  movl   $0x0,-0x58(%rbp)
  movl   $0x0,-0x50(%rbp)
  jmp    L18
L89:
  mov    -0x58(%rbp),%edx
  mov    -0x5c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  add    %eax,-0x50(%rbp)
  addl   $0x1,-0x58(%rbp)
L18:
  cmpl   $0x4,-0x58(%rbp)
  jg     L14
  mov    -0x58(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L89
L14:
  cmpl   $0x5,-0x50(%rbp)
  jne    L31
  addl   $0x6,-0x5c(%rbp)
  addl   $0x1,-0x54(%rbp)
  movl   $0x0,-0x58(%rbp)
  jmp    L35
L124:
  mov    -0x40(%rbp),%rdx
  mov    -0x54(%rbp),%eax
  cltq
  movb   $0x31,(%rdx,%rax,1)
  addl   $0x1,-0x54(%rbp)
  addl   $0x1,-0x58(%rbp)
L35:
  cmpl   $0x4,-0x58(%rbp)
  jle    L124
  subl   $0x1,-0x54(%rbp)
L31:
  addl   $0x1,-0x5c(%rbp)
  addl   $0x1,-0x54(%rbp)
L67:
  mov    -0x5c(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L116
  mov    -0x40(%rbp),%rdx
  mov    -0x54(%rbp),%eax
  cltq
  movb   $0x0,(%rdx,%rax,1)
  mov    -0x40(%rbp),%rdx
  mov    -0x68(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    %rbx,%rsp
  nop
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L125
  call   <__stack_chk_fail@plt>
L125:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: label: D0
type: string

tool: D0: 
Unstuffed Data : %s


assistant: ```c
void bitunstuff(char *data) {
  int len = strlen(data);
  char unstuffed[len + 1];
  int i = 0, j, k = 0, sum = 0;
  while (i < len) {
    unstuffed[k] = data[i];
    if (data[i] == '0') {
      j = 0;
      sum = 0;
      while (j < 5 && j < len) {
        sum += data[j + i + 1] - '0';
        j++;
      }
      if (sum == 5) {
        i += 6;
        k++;
        j = 0;
        while (j < 5) {
          unstuffed[k] = '1';
          k++;
          j++;
        }
        k--;
      }
    }
    i++;
    k++;
  }
  unstuffed[k] = '\0';
  strcpy(data, unstuffed);
  printf("\nUnstuffed Data : %s\n", data);
}
```