user: 这段汇编代码用C语言表示是什么样的:

```asm
<sv_unescape_c>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  movq   $0x0,-0x10(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L94
L99:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L37
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jb     L237
  lea    D43(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ShowWarning@plt>
  jmp    L94
L237:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  jne    L57
  movb   $0x0,-0x13(%rbp)
  movb   $0x1,-0x12(%rbp)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jae    L283
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  jne    L45
L283:
  lea    D79(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ShowWarning@plt>
  jmp    L94
L45:
  cmpb   $0xf,-0x13(%rbp)
  jbe    L358
  cmpb   $0x0,-0x12(%rbp)
  je     L358
  lea    D68(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ShowWarning@plt>
  movb   $0x0,-0x12(%rbp)
L358:
  movzbl -0x13(%rbp),%eax
  shl    $0x4,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  cltq
  lea    D31(%rip),%rdx
  movzbl (%rax,%rdx,1),%eax
  or     %ecx,%eax
  mov    %al,-0x13(%rbp)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jae    L278
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  jne    L45
L278:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rax,%rdx
  movzbl -0x13(%rbp),%eax
  mov    %al,(%rdx)
  jmp    L94
L57:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  je     L128
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x31,%al
  je     L128
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x32,%al
  je     L128
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x33,%al
  jne    L168
L128:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  sub    $0x30,%eax
  mov    %al,-0x11(%rbp)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jae    L253
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L253
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x37,%al
  jg     L253
  movzbl -0x11(%rbp),%eax
  shl    $0x3,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  sub    $0x30,%eax
  or     %ecx,%eax
  mov    %al,-0x11(%rbp)
  addq   $0x1,-0x10(%rbp)
L253:
  mov    -0x10(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jae    L171
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L171
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x37,%al
  jg     L171
  movzbl -0x11(%rbp),%eax
  shl    $0x3,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  sub    $0x30,%eax
  or     %ecx,%eax
  mov    %al,-0x11(%rbp)
  addq   $0x1,-0x10(%rbp)
L171:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rax,%rdx
  movzbl -0x11(%rbp),%eax
  mov    %al,(%rdx)
  jmp    L94
L168:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D74(%rip),%rax
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L281
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <ShowWarning@plt>
L281:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x3f,%eax
  cmp    $0x37,%eax
  ja     L88
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D47(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D47(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0x7,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0x8,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0x9,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0xa,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0xb,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0xc,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0xd,(%rax)
  jmp    L289
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rdx,%rax
  movb   $0x3f,(%rax)
  jmp    L289
L88:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rax,%rdx
  movzbl (%rcx),%eax
  mov    %al,(%rdx)
  nop
L289:
  addq   $0x1,-0x10(%rbp)
  jmp    L94
L37:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x30(%rbp),%rdx
  lea    (%rax,%rdx,1),%rcx
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  add    %rax,%rdx
  movzbl (%rcx),%eax
  mov    %al,(%rdx)
L94:
  mov    -0x10(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jb     L99
  mov    -0x28(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D43
type_infered: string
name: extract_symbolic_data
arguments: data_label: D79
type_infered: string
name: extract_symbolic_data
arguments: data_label: D68
type_infered: string
name: extract_symbolic_data
arguments: data_label: D74
type_infered: string
name: extract_symbolic_data
arguments: data_label: D18
type_infered: string

tool: D43: sv_unescape_c: empty escape sequence


tool: D79: sv_unescape_c: \x with no following hex digits


tool: D68: sv_unescape_c: hex escape sequence out of range


tool: D74: abtnvfr?"'\

tool: D18: sv_unescape_c: unknown escape sequence \%c


assistant: ```c
size_t sv_unescape_c(char *out_dest, const char *src, size_t len) {
  static unsigned char low2hex[256] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  size_t i;
  size_t j;
  for (i = 0, j = 0; i < len;) {
    if (src[i] == '\\') {
      ++i;
      if (i >= len)
        ShowWarning("sv_unescape_c: empty escape sequence\n");
      else if (src[i] == 'x') {
        unsigned char c = 0;
        unsigned char inrange = 1;
        ++i;
        if (i >= len || !(isxdigit((unsigned char)(src[i])))) {
          ShowWarning("sv_unescape_c: \\x with no following hex digits\n");
          continue;
        }
        do {
          if (c > 0x0F && inrange) {
            ShowWarning("sv_unescape_c: hex escape sequence out of range\n");
            inrange = 0;
          }
          c = (c << 4) | low2hex[(unsigned char)src[i]];
          ++i;
        } while (i < len && (isxdigit((unsigned char)(src[i]))));
        out_dest[j++] = (char)c;
      } else if (src[i] == '0' || src[i] == '1' || src[i] == '2' || src[i] == '3') {
        unsigned char c = src[i] - '0';
        ++i;
        if (i < len && src[i] >= '0' && src[i] <= '7') {
          c = (c << 3) | (src[i] - '0');
          ++i;
        }
        if (i < len && src[i] >= '0' && src[i] <= '7') {
          c = (c << 3) | (src[i] - '0');
          ++i;
        }
        out_dest[j++] = (char)c;
      } else {
        if (strchr("abtnvfr\?\"'\\", src[i]) == NULL)
          ShowWarning("sv_unescape_c: unknown escape sequence \\%c\n", src[i]);
        switch (src[i]) {
        case 'a':
          out_dest[j++] = '\a';
          break;
        case 'b':
          out_dest[j++] = '\b';
          break;
        case 't':
          out_dest[j++] = '\t';
          break;
        case 'n':
          out_dest[j++] = '\n';
          break;
        case 'v':
          out_dest[j++] = '\v';
          break;
        case 'f':
          out_dest[j++] = '\f';
          break;
        case 'r':
          out_dest[j++] = '\r';
          break;
        case '?':
          out_dest[j++] = '\?';
          break;
        default:
          out_dest[j++] = src[i];
          break;
        }
        ++i;
      }
    } else
      out_dest[j++] = src[i++];
  }
  out_dest[j] = 0;
  return j;
}
```