user: 这段汇编代码用C语言表示是什么样的?

```asm
<expand_tokens>:
  endbr64
  mov    $0x0,%eax
  mov    $0x0,%edx
  jmp    L61
L86:
  movb   $0x0,(%rsi,%rax,1)
  ret
L178:
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x3b,0x1(%rsi,%rax,1)
  add    $0x2,%rax
  movb   $0x20,(%rsi,%rax,1)
L68:
  add    $0x1,%rax
  add    $0x1,%rdx
  cmp    $0x3fe,%rdx
  ja     L73
L61:
  movzbl (%rdi,%rdx,1),%ecx
  test   %cl,%cl
  je     L86
  cmp    $0x3b,%cl
  je     L178
  cmp    $0x3c,%cl
  je     L64
  test   %rdx,%rdx
  je     L125
  cmpb   $0x7c,-0x1(%rdi,%rdx,1)
  je     L125
  cmp    $0x7c,%cl
  je     L103
L125:
  cmp    $0x7c,%cl
  je     L303
  cmp    $0x26,%cl
  je     L30
L267:
  cmp    $0x3e,%cl
  je     L55
L26:
  mov    %cl,(%rsi,%rax,1)
  movb   $0x0,0x1(%rsi,%rax,1)
  jmp    L68
L64:
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x3c,0x1(%rsi,%rax,1)
  add    $0x2,%rax
  movb   $0x20,(%rsi,%rax,1)
  jmp    L68
L103:
  cmpb   $0x7c,0x1(%rdi,%rdx,1)
  je     L265
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x7c,0x1(%rsi,%rax,1)
  add    $0x2,%rax
  movb   $0x20,(%rsi,%rax,1)
  jmp    L68
L303:
  lea    0x1(%rdx),%r8
  cmpb   $0x7c,0x1(%rdi,%rdx,1)
  je     L197
  test   %rdx,%rdx
  je     L267
L268:
  cmpb   $0x26,-0x1(%rdi,%rdx,1)
  je     L267
  cmp    $0x26,%cl
  jne    L267
  cmpb   $0x26,0x1(%rdi,%rdx,1)
  je     L26
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x26,0x1(%rsi,%rax,1)
  add    $0x2,%rax
  movb   $0x20,(%rsi,%rax,1)
  jmp    L68
L30:
  lea    0x1(%rdx),%r8
  cmpb   $0x26,0x1(%rdi,%rdx,1)
  je     L157
  test   %rdx,%rdx
  jne    L268
  jmp    L26
L157:
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x26,0x1(%rsi,%rax,1)
  movb   $0x26,0x2(%rsi,%rax,1)
  add    $0x3,%rax
  movb   $0x20,(%rsi,%rax,1)
  mov    %r8,%rdx
  jmp    L68
L55:
  lea    0x1(%rdx),%r8
  cmpb   $0x3e,0x1(%rdi,%rdx,1)
  je     L294
  test   %rdx,%rdx
  je     L26
  cmpb   $0x3e,-0x1(%rdi,%rdx,1)
  je     L26
  cmp    $0x3e,%cl
  jne    L26
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x3e,0x1(%rsi,%rax,1)
  add    $0x2,%rax
  movb   $0x20,(%rsi,%rax,1)
  jmp    L68
L294:
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x3e,0x1(%rsi,%rax,1)
  movb   $0x3e,0x2(%rsi,%rax,1)
  add    $0x3,%rax
  movb   $0x20,(%rsi,%rax,1)
  mov    %r8,%rdx
  jmp    L68
L73:
  ret
L265:
  lea    0x1(%rdx),%r8
L197:
  movb   $0x20,(%rsi,%rax,1)
  movb   $0x7c,0x1(%rsi,%rax,1)
  movb   $0x7c,0x2(%rsi,%rax,1)
  add    $0x3,%rax
  movb   $0x20,(%rsi,%rax,1)
  mov    %r8,%rdx
  jmp    L68
```

assistant: ```c
void expand_tokens(char *s, char *output) {
  size_t len = 1024;
  size_t i = 0;
  size_t j = 0;
  while (i < len - 1) {
    if (i == len) {
      output[j] = '\0';
      return;
    }
    if (s[i] == '\0') {
      output[j] = s[i];
      return;
    }
    if (s[i] == ';') {
      output[j] = ' ';
      output[++j] = ';';
      output[++j] = ' ';
    } else if (s[i] == '<') {
      output[j] = ' ';
      output[++j] = '<';
      output[++j] = ' ';
    } else if (i != 0 && s[i - 1] != '|' && s[i] == '|' && s[i + 1] != '|') {
      output[j] = ' ';
      output[++j] = '|';
      output[++j] = ' ';
    } else if (s[i] == '|' && s[i + 1] == '|') {
      output[j] = ' ';
      output[++j] = '|';
      output[++j] = '|';
      output[++j] = ' ';
      ++i;
    } else if (s[i] == '&' && s[i + 1] == '&') {
      output[j] = ' ';
      output[++j] = '&';
      output[++j] = '&';
      output[++j] = ' ';
      ++i;
    } else if (i != 0 && s[i - 1] != '&' && s[i] == '&' && s[i + 1] != '&') {
      output[j] = ' ';
      output[++j] = '&';
      output[++j] = ' ';
    } else if (s[i] == '>' && s[i + 1] == '>') {
      output[j] = ' ';
      output[++j] = '>';
      output[++j] = '>';
      output[++j] = ' ';
      ++i;
    } else if (i != 0 && i != 0 && s[i - 1] != '>' && s[i] == '>' && s[i + 1] != '>') {
      output[j] = ' ';
      output[++j] = '>';
      output[++j] = ' ';
    } else {
      output[j] = s[i];
      output[j + 1] = '\0';
    }
    ++j;
    ++i;
  }
}
```