user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<metaparse>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movzbl (%rdi),%eax
  lea    0x12(%rsp),%rdx
  mov    %rdx,(%rsp)
  test   %al,%al
  je     L25
  mov    %rdi,%r15
  jmp    L140
  nopw   0x0(%rax,%rax,1)
L90:
  mov    %r14,%rax
  mov    %r15,%r14
  mov    %rax,%r15
L128:
  movzbl 0x1(%r14),%eax
  test   %al,%al
  je     L25
L140:
  lea    0x1(%r15),%r14
  cmp    $0x5c,%al
  jne    L90
  movzbl 0x1(%r15),%ebx
  cmp    $0x78,%bl
  je     L57
  sub    $0x30,%ebx
  cmp    $0x46,%bl
  ja     L9
  lea    D9(%rip),%rcx
  movzbl %bl,%ebx
  movslq (%rcx,%rbx,4),%rax
  add    %rcx,%rax
  notrack jmp *%rax
  movb   $0x0,(%r15)
  nopl   0x0(%rax,%rax,1)
L109:
  lea    0x2(%r15),%rsi
L162:
  mov    %r14,%rdi
  mov    %r15,%r14
  call   <strcpy@plt>
  mov    %rax,%r15
  movzbl 0x1(%r14),%eax
  test   %al,%al
  jne    L140
L25:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L212
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L9:
  add    $0x2,%r15
  jmp    L128
  movb   $0xb,(%r15)
  jmp    L109
  movb   $0x9,(%r15)
  jmp    L109
  movb   $0xd,(%r15)
  jmp    L109
  movb   $0xa,(%r15)
  jmp    L109
  movb   $0xc,(%r15)
  jmp    L109
  movb   $0x8,(%r15)
  jmp    L109
  movb   $0x7,(%r15)
  jmp    L109
  movb   $0x1b,(%r15)
  jmp    L109
  nopl   0x0(%rax)
L57:
  movb   $0x0,0xf(%rsp)
  mov    $0x2,%r12d
  jmp    L228
  nopl   (%rax)
L152:
  add    $0x1,%r12
  cmp    $0x5,%r12
  je     L60
  mov    (%rsp),%rax
  movb   $0x1,0xf(%rsp)
  mov    %bpl,(%rax,%r12,1)
L228:
  movsbl (%r15,%r12,1),%edi
  lea    -0x2(%r12),%eax
  lea    (%r15,%r12,1),%r13
  mov    %al,0xe(%rsp)
  mov    %edi,%ebp
  call   <isxdigit@plt>
  test   %eax,%eax
  jne    L152
L60:
  cmpb   $0x0,0xf(%rsp)
  je     L76
  movzbl 0xe(%rsp),%eax
  mov    %al,0x14(%rsp)
  movzbl 0xe(%rsp),%eax
  test   %al,%al
  je     L76
  movsbq %al,%rbp
  lea    0x14(%rsp),%rdx
  lea    0x15(%rsp),%rdi
  xor    %eax,%eax
  lea    D2(%rip),%rsi
  movb   $0x0,0x15(%rsp,%rbp,1)
  call   <sscanf@plt>
  movzbl 0x14(%rsp),%ebx
L76:
  mov    %bl,(%r15)
  mov    %r13,%rsi
  jmp    L162
L212:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D9
type_guessed: string
name: read_data
arguments: label: D2
type_guessed: string

tool: 

tool: D2: %x

assistant: ```c
void metaparse(s) char *s;
{
  char *t;
  char mod;
  for (t = s; *t; t++)
    if (*t == '\\') {
      t++;
      if (*t == 'x') {
        char num[3], i, *tt;
        tt = t++ - 1;
        i = 0;
        while (isxdigit(*t) && i < 2)
          num[i++] = *t++;
        if (i) {
          num[i] = 0;
          sscanf(num, "%x", &i);
          *tt = (char)i;
        } else
          *tt = 'x';
        strcpy(++tt, t);
        t = tt - 1;
      } else {
        mod = 1;
        switch (*t) {
        case '0':
          *(--t) = 0;
          break;
        case 'a':
          *(--t) = 7;
          break;
        case 'b':
          *(--t) = 8;
          break;
        case 't':
          *(--t) = 9;
          break;
        case 'n':
          *(--t) = 10;
          break;
        case 'v':
          *(--t) = 11;
          break;
        case 'f':
          *(--t) = 12;
          break;
        case 'r':
          *(--t) = 13;
          break;
        case 'E':
          *(--t) = 27;
          break;
        case '\\':
          --t;
          break;
        default:
          mod = 0;
        }
        if (mod)
          strcpy(t + 1, t + 2);
      }
    }
}
```