user: What would the C source look like for the assembly code provided here:

```asm
<aux_struct>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  mov    %eax,%edi
  call   <space@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  add    $0x1,%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <space@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  movl   $0x0,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L115
L79:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    $0x2e,%eax
  je     L21
  cmp    $0x2e,%eax
  jg     L10
  cmp    $0x28,%eax
  je     L118
  cmp    $0x29,%eax
  je     L126
  jmp    L10
L118:
  addl   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x1c(%rbp),%eax
  mov    %eax,(%rdx)
  jmp    L92
L126:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  jmp    L67
L117:
  addl   $0x1,-0x14(%rbp)
  subl   $0x1,-0x18(%rbp)
L67:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x29,%al
  jne    L47
  mov    -0x18(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x18(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rdx),%edx
  sub    $0x1,%edx
  cmp    %edx,%eax
  je     L117
L47:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x5d,(%rax)
  mov    -0x14(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x5b,(%rax)
  subl   $0x1,-0x18(%rbp)
  jmp    L92
L10:
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <nrerror@plt>
  jmp    L92
L21:
  nop
L92:
  addl   $0x1,-0x1c(%rbp)
L115:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L79
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rax
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D2
type_guessed: string

tool: D2: Junk in structure at aux_structure


assistant: ```c
char *aux_struct(const char *structure) {
  int *match_paren;
  int i, o, p;
  char *string;
  string = (char *)space(sizeof(char) * (strlen(structure) + 1));
  match_paren = (int *)space(sizeof(int) * (strlen(structure) / 2 + 1));
  strcpy(string, structure);
  i = o = 0;
  while (string[i]) {
    switch (string[i]) {
    case '.':
      break;
    case '(':
      match_paren[++o] = i;
      break;
    case ')':
      p = i;
      while ((string[p + 1] == ')') && (match_paren[o - 1] == match_paren[o] - 1)) {
        p++;
        o--;
      }
      string[p] = ']';
      i = p;
      string[match_paren[o]] = '[';
      o--;
      break;
    default:
      nrerror("Junk in structure at aux_structure\n");
    }
    i++;
  }
  free(match_paren);
  return (string);
}
```