user: Please show me the C implementation that matches the assembly code listed below:

```asm
<libbch_decode_sec>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x44(%rbp)
  movl   $0x0,-0x48(%rbp)
  jmp    L18
L59:
  mov    -0x48(%rbp),%eax
  add    $0x203,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  lea    D2(%rip),%rax
  mov    (%rdx,%rax,1),%edx
  mov    -0x48(%rbp),%eax
  add    $0x203,%eax
  cltq
  lea    0x0(,%rax,4),%rsi
  mov    -0x60(%rbp),%rax
  add    %rsi,%rax
  xor    %ecx,%edx
  mov    %edx,(%rax)
  addl   $0x1,-0x48(%rbp)
L18:
  cmpl   $0xc,-0x48(%rbp)
  jle    L59
  movl   $0x0,-0x48(%rbp)
  jmp    L77
L17:
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x48(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x60(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  mov    %eax,%edi
  call   <reverse_bits@plt>
  mov    %eax,(%rbx)
  addl   $0x1,-0x48(%rbp)
L77:
  cmpl   $0x20f,-0x48(%rbp)
  jle    L17
  mov    -0x60(%rbp),%rax
  lea    0x80c(%rax),%rdx
  mov    -0x60(%rbp),%rsi
  mov    -0x58(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x40(%rbp),%rcx
  push   %rcx
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    %rdx,%rcx
  mov    $0x203,%edx
  mov    %rax,%rdi
  call   <decode_bch@plt>
  add    $0x10,%rsp
  mov    %eax,-0x44(%rbp)
  movl   $0x0,-0x48(%rbp)
  jmp    L6
L46:
  mov    -0x48(%rbp),%eax
  cltq
  mov    -0x40(%rbp,%rax,4),%eax
  shr    $0x3,%eax
  mov    %eax,%esi
  mov    %esi,%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x48(%rbp),%eax
  cltq
  mov    -0x40(%rbp,%rax,4),%eax
  and    $0x7,%eax
  mov    $0x1,%edi
  mov    %eax,%ecx
  shl    %cl,%edi
  mov    %edi,%ecx
  mov    %esi,%eax
  lea    0x0(,%rax,4),%rsi
  mov    -0x60(%rbp),%rax
  add    %rsi,%rax
  xor    %ecx,%edx
  mov    %edx,(%rax)
  addl   $0x1,-0x48(%rbp)
L6:
  mov    -0x48(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L46
  movl   $0x0,-0x48(%rbp)
  jmp    L14
L2:
  mov    -0x48(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x60(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x48(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x68(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  mov    %eax,%edi
  call   <reverse_bits@plt>
  mov    %eax,(%rbx)
  addl   $0x1,-0x48(%rbp)
L14:
  cmpl   $0x1ff,-0x48(%rbp)
  jle    L2
  mov    -0x44(%rbp),%eax
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L64
  call   <__stack_chk_fail@plt>
L64:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D2
type_infered: string

tool: D2: N

assistant: ```c
int libbch_decode_sec(struct bch_control *bch, uint8_t *inbuf, uint8_t *outbuf) {
  unsigned int errloc[8];
  static const uint8_t mask[13] = {
      0x4e, 0x8c, 0x9d, 0x52, 0x2d, 0x6c, 0x7c, 0xcb, 0xc3, 0x12, 0x14, 0x19, 0x37,
  };
  int i, err_num = 0;
  for (i = 0; i < 13; i++)
    inbuf[512 + 3 + i] ^= mask[i];
  for (i = 0; i < (512 + 3 + 13); i++)
    inbuf[i] = reverse_bits(inbuf[i]);
  err_num = decode_bch(bch, inbuf, ((512 + 3 + 13) - 13), &inbuf[(512 + 3 + 13) - 13], NULL, NULL, errloc);
  for (i = 0; i < err_num; i++)
    inbuf[errloc[i] / 8] ^= 1 << (errloc[i] % 8);
  for (i = 0; i < 512; i++)
    outbuf[i] = reverse_bits(inbuf[i]);
  return err_num;
}
```