user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<fts_stat>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    (%rdi),%eax
  mov    D69(%rip),%rcx
  mov    %eax,%esi
  and    (%rcx),%esi
  mov    %rsp,%rbp
  jne    L40
  mov    0x40(%rbx),%rbp
L40:
  mov    D30(%rip),%rcx
  and    (%rcx),%eax
  or     %edx,%eax
  je     L186
  mov    0x3c(%rbx),%edi
  mov    %rbp,%rsi
  call   <stat@plt>
  test   %rax,%rax
  jne    L29
L134:
  mov    0x10(%rbp),%edi
  call   <S_ISDIR@plt>
  test   %rax,%rax
  je     L232
  mov    0x0(%rbp),%rsi
  mov    %rsi,0x8(%rbx)
  mov    0x8(%rbp),%rdx
  mov    %rdx,0x10(%rbx)
  mov    0x14(%rbp),%eax
  mov    %eax,0x38(%rbx)
  mov    0x18(%rbx),%rax
  cmpb   $0x2e,(%rax)
  je     L25
L0:
  mov    0x30(%rbx),%rax
  mov    D115(%rip),%rcx
  mov    (%rcx),%rcx
  cmp    %rcx,0x20(%rax)
  jge    L76
L192:
  mov    D130(%rip),%rax
  mov    (%rax),%eax
L19:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L13
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L29:
  mov    D102(%rip),%rax
  mov    (%rax),%r12
  mov    0x3c(%rbx),%edi
  mov    %rbp,%rsi
  call   <lstat@plt>
  test   %rax,%rax
  jne    L3
  mov    D102(%rip),%rax
  movq   $0x0,(%rax)
  mov    D48(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L3:
  mov    %r12d,%eax
  jmp    L55
L186:
  mov    0x3c(%rbx),%edi
  mov    %rbp,%rsi
  call   <lstat@plt>
  test   %rax,%rax
  je     L134
  mov    D102(%rip),%rax
  mov    (%rax),%eax
L55:
  mov    %eax,(%rbx)
  mov    $0x18,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <memset@plt>
  mov    D70(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L25:
  movzbl 0x1(%rax),%ecx
  test   %cl,%cl
  je     L149
  cmp    $0x2e,%cl
  jne    L0
  cmpb   $0x0,0x2(%rax)
  jne    L0
L149:
  mov    D96(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L24:
  mov    0x30(%rax),%rax
  cmp    %rcx,0x20(%rax)
  jl     L192
L76:
  cmp    0x10(%rax),%rdx
  jne    L24
  cmp    0x8(%rax),%rsi
  jne    L24
  mov    %rax,0x28(%rbx)
  mov    D85(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L232:
  mov    0x10(%rbp),%edi
  call   <S_ISLNK@plt>
  test   %rax,%rax
  je     L136
  mov    D39(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L136:
  mov    0x10(%rbp),%edi
  call   <S_ISREG@plt>
  test   %rax,%rax
  jne    L51
  mov    D74(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L51:
  mov    D34(%rip),%rax
  mov    (%rax),%eax
  jmp    L19
L13:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
u_short fts_stat(FTS *sp, FTSENT *p, int follow) {
  FTSENT *t;
  dev_t dev;
  ino_t ino;
  struct stat *sbp, sb;
  int saved_errno;
  sbp = (sp->fts_options & (FTS_NOSTAT)) ? &sb : p->fts_statp;
  if ((sp->fts_options & (FTS_LOGICAL)) || follow) {
    if (stat(p->fts_accpath, sbp)) {
      saved_errno = errno;
      if (!lstat(p->fts_accpath, sbp)) {
        errno = 0;
        return (FTS_SLNONE);
      }
      p->fts_errno = saved_errno;
      goto err;
    }
  } else if (lstat(p->fts_accpath, sbp)) {
    p->fts_errno = errno;
  err:
    memset(sbp, 0, sizeof(struct stat));
    return (FTS_NS);
  }
  if (S_ISDIR(sbp->st_mode)) {
    dev = p->fts_dev = sbp->st_dev;
    ino = p->fts_ino = sbp->st_ino;
    p->fts_nlink = sbp->st_nlink;
    if ((p->fts_name[0] == '.' && (!p->fts_name[1] || (p->fts_name[1] == '.' && !p->fts_name[2]))))
      return (FTS_DOT);
    for (t = p->fts_parent; t->fts_level >= FTS_ROOTLEVEL; t = t->fts_parent)
      if (ino == t->fts_ino && dev == t->fts_dev) {
        p->fts_cycle = t;
        return (FTS_DC);
      }
    return (FTS_D);
  }
  if (S_ISLNK(sbp->st_mode))
    return (FTS_SL);
  if (S_ISREG(sbp->st_mode))
    return (FTS_F);
  return (FTS_DEFAULT);
}
```