user: 下面的汇编指令对应的C源代码是什么:

```asm
<fn_cl_33_33_36_36_38_46_48_59_61_61_64_91_95_95_97_122_126_126_160_55295_63744_64975_65008_65519_65533_65533_65536_131069_131072_196605_196608_262141_262144_327677_327680_393213_393216_458749_458752_524285_524288_589821_589824_655357_655360_720893_720896_786429_786432_851965_851968_917501_917504_983037>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x4(%rsp)
  lea    0x4(%rsp),%rsi
  call   <next_utf8@plt>
  cmp    $0x21,%eax
  je     L17
  mov    %eax,%edx
  cmp    $0x2fffd,%eax
  ja     L352
  cmp    $0x1ffff,%eax
  ja     L96
  cmp    $0x7e,%eax
  ja     L176
  mov    $0xffffffff,%eax
  cmp    $0x23,%edx
  jbe    L387
  sub    $0x24,%edx
  cmp    $0x5a,%edx
  ja     L280
  mov    %edx,%edx
  lea    D0(%rip),%rcx
  movslq (%rcx,%rdx,4),%rax
  add    %rcx,%rax
  notrack jmp *%rax
L17:
  mov    0x4(%rsp),%eax
  jmp    L387
L176:
  cmp    $0xffef,%eax
  ja     L139
  cmp    $0xfdef,%eax
  ja     L8
  cmp    $0xd7ff,%eax
  jbe    L453
  sub    $0xf900,%edx
  cmp    $0x4d0,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L453:
  cmp    $0xa0,%eax
  mov    $0xffffffff,%eax
  cmovae 0x4(%rsp),%eax
L387:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L401
  add    $0x18,%rsp
  ret
L139:
  cmp    $0xfffd,%eax
  je     L34
  sub    $0x10000,%edx
  cmp    $0xfffe,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L352:
  cmp    $0x9fffd,%eax
  ja     L97
  cmp    $0x8ffff,%eax
  ja     L250
  cmp    $0x6fffd,%eax
  ja     L129
  cmp    $0x5ffff,%eax
  ja     L336
  cmp    $0x4fffd,%eax
  ja     L46
  cmp    $0x3ffff,%eax
  ja     L207
  sub    $0x30000,%edx
  cmp    $0xfffe,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L46:
  sub    $0x50000,%edx
  cmp    $0xfffe,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L129:
  cmp    $0x7fffd,%eax
  jbe    L448
  sub    $0x80000,%edx
  cmp    $0xfffe,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L448:
  cmp    $0x70000,%eax
  mov    $0xffffffff,%eax
  cmovae 0x4(%rsp),%eax
  jmp    L387
L97:
  cmp    $0xcfffd,%eax
  ja     L287
  cmp    $0xbffff,%eax
  ja     L9
  cmp    $0xafffd,%eax
  jbe    L0
  sub    $0xb0000,%edx
  cmp    $0xfffe,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L0:
  cmp    $0xa0000,%eax
  mov    $0xffffffff,%eax
  cmovae 0x4(%rsp),%eax
  jmp    L387
L287:
  cmp    $0xdfffd,%eax
  jbe    L100
  sub    $0xe0000,%edx
  cmp    $0xfffe,%edx
  mov    $0xffffffff,%eax
  cmovb  0x4(%rsp),%eax
  jmp    L387
L100:
  cmp    $0xd0000,%eax
  mov    $0xffffffff,%eax
  cmovae 0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
  mov    0x4(%rsp),%eax
  jmp    L387
L8:
  mov    0x4(%rsp),%eax
  jmp    L387
L34:
  mov    0x4(%rsp),%eax
  jmp    L387
L96:
  mov    0x4(%rsp),%eax
  jmp    L387
L207:
  mov    0x4(%rsp),%eax
  jmp    L387
L336:
  mov    0x4(%rsp),%eax
  jmp    L387
L250:
  mov    0x4(%rsp),%eax
  jmp    L387
L9:
  mov    0x4(%rsp),%eax
  jmp    L387
L280:
  mov    $0xffffffff,%eax
  jmp    L387
L401:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fn_cl_33_33_36_36_38_46_48_59_61_61_64_91_95_95_97_122_126_126_160_55295_63744_64975_65008_65519_65533_65533_65536_131069_131072_196605_196608_262141_262144_327677_327680_393213_393216_458749_458752_524285_524288_589821_589824_655357_655360_720893_720896_786429_786432_851965_851968_917501_917504_983037(const char *text) {
  int pos = 0;
  unsigned int c = next_utf8(text, &pos);
  if (c >= 33 && c <= 33)
    return pos;
  if (c >= 36 && c <= 36)
    return pos;
  if (c >= 38 && c <= 46)
    return pos;
  if (c >= 48 && c <= 59)
    return pos;
  if (c >= 61 && c <= 61)
    return pos;
  if (c >= 64 && c <= 91)
    return pos;
  if (c >= 95 && c <= 95)
    return pos;
  if (c >= 97 && c <= 122)
    return pos;
  if (c >= 126 && c <= 126)
    return pos;
  if (c >= 160 && c <= 55295)
    return pos;
  if (c >= 63744 && c <= 64975)
    return pos;
  if (c >= 65008 && c <= 65519)
    return pos;
  if (c >= 65533 && c <= 65533)
    return pos;
  if (c >= 65536 && c <= 131069)
    return pos;
  if (c >= 131072 && c <= 196605)
    return pos;
  if (c >= 196608 && c <= 262141)
    return pos;
  if (c >= 262144 && c <= 327677)
    return pos;
  if (c >= 327680 && c <= 393213)
    return pos;
  if (c >= 393216 && c <= 458749)
    return pos;
  if (c >= 458752 && c <= 524285)
    return pos;
  if (c >= 524288 && c <= 589821)
    return pos;
  if (c >= 589824 && c <= 655357)
    return pos;
  if (c >= 655360 && c <= 720893)
    return pos;
  if (c >= 720896 && c <= 786429)
    return pos;
  if (c >= 786432 && c <= 851965)
    return pos;
  if (c >= 851968 && c <= 917501)
    return pos;
  if (c >= 917504 && c <= 983037)
    return pos;
  return -1;
}
```