user: 这段汇编代码用C语言表示是什么样的？

```asm
<parse_syslogng_items>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x148,%rsp
  mov    %rdi,0x10(%rsp)
  mov    %rsi,%rbx
  mov    %rdx,0x18(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x138(%rsp)
  xor    %eax,%eax
  mov    (%rdx),%rax
  mov    %rax,0x28(%rsp)
  lea    0x30(%rsp),%rax
  mov    %rax,0x8(%rsp)
  lea    0x28(%rsp),%r14
  lea    0x12f(%rsp),%r15
  jmp    L56
L85:
  mov    0x28(%rsp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,0x28(%rsp)
  add    $0x1,%rbp
  movzbl (%rax),%edx
  mov    %dl,-0x1(%rbp)
  movzbl 0x1(%rax),%edi
  test   %dil,%dil
  je     L109
L92:
  movsbl %dil,%edi
  call   <isalnum@plt>
  test   %rax,%rax
  jne    L85
  mov    0x28(%rsp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L85
  cmp    $0x5f,%al
  je     L85
L109:
  movb   $0x0,0x0(%rbp)
  mov    0x8(%rsp),%rdi
  call   <create_cnfnode@plt>
  mov    %rax,%r13
  mov    %rax,%rsi
  mov    0x10(%rsp),%rdi
  call   <append_node@plt>
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_skip_spaces@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%rax
  cmpb   $0x28,(%rax)
  je     L191
L53:
  mov    0x28(%rsp),%rax
  cmpb   $0x29,(%rax)
  je     L211
L56:
  mov    0x28(%rsp),%rax
  movzbl (%rax),%edi
  lea    0x30(%rsp),%rbp
  test   %dil,%dil
  jne    L92
  jmp    L109
L191:
  add    $0x1,%rax
  mov    %rax,0x28(%rsp)
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_skip_spaces@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%rax
  movzbl (%rax),%r12d
  cmp    $0x22,%r12b
  je     L260
  cmp    $0x27,%r12b
  jne    L104
L260:
  cmpb   $0x5c,-0x1(%rax)
  je     L104
  lea    0x1(%rax),%rdx
  mov    %rdx,0x28(%rsp)
  movzbl (%rax),%ecx
  mov    %cl,0x30(%rsp)
  movzbl 0x1(%rax),%eax
  lea    0x31(%rsp),%rbp
  test   %al,%al
  jne    L195
  jmp    L290
L104:
  lea    0x30(%rsp),%rbp
  test   %r12b,%r12b
  je     L71
L298:
  movsbl %r12b,%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L71
  mov    0x28(%rsp),%rax
  movzbl (%rax),%eax
  lea    -0x28(%rax),%edx
  cmp    $0x1,%dl
  jbe    L71
  cmp    %r15,%rbp
  jae    L71
  add    $0x1,%rbp
  mov    %al,-0x1(%rbp)
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <next_char@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%rax
  movzbl (%rax),%r12d
  test   %r12b,%r12b
  jne    L298
  jmp    L71
L52:
  cmp    %r15,%rbp
  je     L162
  add    $0x1,%rbp
  mov    %al,-0x1(%rbp)
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <next_char@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%rdx
  movzbl (%rdx),%eax
  test   %al,%al
  je     L290
L195:
  cmp    %al,%r12b
  jne    L52
  cmpb   $0x5c,-0x1(%rdx)
  je     L52
L215:
  lea    0x1(%rdx),%rax
  mov    %rax,0x28(%rsp)
  movzbl (%rdx),%eax
  mov    %al,0x0(%rbp)
  lea    0x1(%rbp),%rbp
  jmp    L71
L162:
  lea    0x12f(%rsp),%rbp
L290:
  cmp    %al,%r12b
  je     L215
L71:
  movb   $0x0,0x0(%rbp)
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_skip_spaces@plt>
  mov    %rax,%rbx
  mov    0x28(%rsp),%rax
  cmpb   $0x29,(%rax)
  je     L120
L35:
  mov    0x8(%rsp),%rsi
  mov    %r13,%rdi
  call   <cnfnode_setval@plt>
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <_skip_spaces@plt>
  mov    %rax,%rbx
  jmp    L53
L120:
  add    $0x1,%rax
  mov    %rax,0x28(%rsp)
  jmp    L35
L211:
  add    $0x1,%rax
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0x138(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L42
  mov    %rbx,%rax
  add    $0x148,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L42:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
struct confline *parse_syslogng_items(struct cnfnode *cn_top, struct confline *cl, const char **pp) {
  struct cnfnode *cn;
  char buf[256], *q;
  const char *p = *pp;
  while (1) {
    q = buf;
    while (*p && (isalnum(*p) || (*p == '_') || (*p == '-')))
      *q++ = *p++;
    *q = 0;
    append_node(cn_top, cn = create_cnfnode(buf));
    cl = _skip_spaces(cl, &p);
    if (*p == '(') {
      p++;
      cl = _skip_spaces(cl, &p);
      q = buf;
      if ((*p == '\"' || *p == '\'') && (p[-1] != '\\')) {
        char qc = *p;
        *q++ = *p++;
        while (*p && ((*p != qc) || (p[-1] == '\\')) && q < buf + sizeof(buf) - 1) {
          *q++ = *p;
          cl = next_char(cl, &p);
        }
        if (*p == qc)
          *q++ = *p++;
      } else {
        while (*p && !isspace(*p) && *p != '(' && *p != ')' && q < buf + sizeof(buf) - 1) {
          *q++ = *p;
          cl = next_char(cl, &p);
        }
      }
      *q = 0;
      cl = _skip_spaces(cl, &p);
      if (*p == ')')
        p++;
      cnfnode_setval(cn, buf);
      cl = _skip_spaces(cl, &p);
    }
    if (*p == ')') {
      p++;
      break;
    }
  }
  *pp = p;
  return cl;
}
```