user: Please show me the C implementation that matches the assembly code listed below:

```asm
<comment_var>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x58,%rsp
  mov    %rdi,-0x1038(%rbp)
  mov    %rdx,-0x1048(%rbp)
  mov    %ecx,%eax
  mov    %r8d,%edi
  mov    %r9d,%ecx
  mov    %esi,%edx
  mov    %dl,-0x103c(%rbp)
  mov    %al,-0x1040(%rbp)
  mov    %edi,%eax
  mov    %al,-0x104c(%rbp)
  mov    %ecx,%eax
  mov    %al,-0x1050(%rbp)
  mov    0x10(%rbp),%rax
  mov    %rax,-0x1058(%rbp)
  mov    0x18(%rbp),%rax
  mov    %rax,-0x1060(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  cmpl   $0x1,0x28(%rbp)
  jne    L12
  cmpl   $0x1,0x20(%rbp)
  jne    L47
  lea    D17(%rip),%rax
  mov    %rax,-0x1028(%rbp)
  movsbl -0x1040(%rbp),%r9d
  cmpl   $0x0,0x20(%rbp)
  je     L101
  mov    -0x1048(%rbp),%rax
  add    $0x1,%rax
  jmp    L74
L101:
  mov    -0x1038(%rbp),%rax
  add    $0x1,%rax
L74:
  movsbl -0x104c(%rbp),%r8d
  movsbl -0x1040(%rbp),%ecx
  mov    -0x1048(%rbp),%rdx
  lea    0x1(%rdx),%rbx
  movsbl -0x1050(%rbp),%r11d
  movsbl -0x103c(%rbp),%edx
  mov    -0x1038(%rbp),%rsi
  lea    0x1(%rsi),%r10
  mov    -0x1028(%rbp),%rsi
  lea    -0x1020(%rbp),%rdi
  push   %r9
  push   %rax
  push   %r8
  push   %rcx
  mov    %rbx,%r9
  mov    %r11d,%r8d
  mov    %edx,%ecx
  mov    %r10,%rdx
  mov    $0x0,%eax
  call   <sprintf@plt>
  add    $0x20,%rsp
  jmp    L29
L47:
  lea    D16(%rip),%rax
  mov    %rax,-0x1028(%rbp)
  movsbl -0x103c(%rbp),%r9d
  cmpl   $0x0,0x20(%rbp)
  je     L39
  mov    -0x1048(%rbp),%rax
  add    $0x1,%rax
  jmp    L65
L39:
  mov    -0x1038(%rbp),%rax
  add    $0x1,%rax
L65:
  movsbl -0x104c(%rbp),%r8d
  movsbl -0x1040(%rbp),%ecx
  mov    -0x1048(%rbp),%rdx
  lea    0x1(%rdx),%rbx
  movsbl -0x1050(%rbp),%r11d
  movsbl -0x103c(%rbp),%edx
  mov    -0x1038(%rbp),%rsi
  lea    0x1(%rsi),%r10
  mov    -0x1028(%rbp),%rsi
  lea    -0x1020(%rbp),%rdi
  push   %r9
  push   %rax
  push   %r8
  push   %rcx
  mov    %rbx,%r9
  mov    %r11d,%r8d
  mov    %edx,%ecx
  mov    %r10,%rdx
  mov    $0x0,%eax
  call   <sprintf@plt>
  add    $0x20,%rsp
L29:
  lea    -0x1020(%rbp),%rdx
  mov    -0x1060(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dyn_strcat@plt>
  cmpq   $0x0,-0x1058(%rbp)
  je     L97
  mov    -0x1058(%rbp),%rdx
  lea    -0x1020(%rbp),%rax
  lea    D3(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  lea    -0x1020(%rbp),%rdx
  mov    -0x1060(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dyn_strcat@plt>
L97:
  mov    -0x1060(%rbp),%rax
  lea    D34(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dyn_strcat@plt>
  jmp    L126
L12:
  cmpl   $0x2,0x28(%rbp)
  jne    L126
  cmpl   $0x1,0x20(%rbp)
  jne    L119
  movb   $0x58,-0x102a(%rbp)
  movb   $0x56,-0x1029(%rbp)
  jmp    L6
L119:
  movb   $0x56,-0x102a(%rbp)
  movb   $0x58,-0x1029(%rbp)
L6:
  movsbl -0x1040(%rbp),%edi
  mov    -0x1048(%rbp),%rax
  lea    0x1(%rax),%r8
  movsbl -0x1050(%rbp),%esi
  movsbl -0x103c(%rbp),%r9d
  mov    -0x1038(%rbp),%rax
  lea    0x1(%rax),%r10
  movsbl -0x1029(%rbp),%ecx
  movsbl -0x102a(%rbp),%edx
  lea    -0x1020(%rbp),%rax
  sub    $0x8,%rsp
  push   %rdi
  push   %r8
  push   %rsi
  mov    %r10,%r8
  lea    D31(%rip),%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <sprintf@plt>
  add    $0x20,%rsp
  lea    -0x1020(%rbp),%rdx
  mov    -0x1060(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dyn_strcat@plt>
L126:
  nop
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L128
  call   <__stack_chk_fail@plt>
L128:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D17
type_guessed: string
name: disassemble_data
arguments: data_label: D16
type_guessed: string
name: disassemble_data
arguments: data_label: D3
type_guessed: string
name: disassemble_data
arguments: data_label: D34
type_guessed: string
name: disassemble_data
arguments: data_label: D31
type_guessed: string

tool: D17:  Variant: %d%c%c%d%c : %c%d%c

tool: D16:  qVariant: %d%c%c%d%c : %c%d%c

tool: D3:  : %s

tool: D34: 


tool: D31: |%c%c:%ld%c%c%ld%c

assistant: ```c
void comment_var(long i0_pos, char sp0, long i1_pos, char sp1, char o_sp1, char sim_char, const char *ann_comment, struct dyn_string_str *annot_var_dyn, int target, int d_type) {
  char tmp_str[4096], tc, ann_ch0, ann_ch1;
  char *d1_fmt;
  if (d_type == 1) {
    if (target == 1) {
      d1_fmt = " Variant: %d%c%c%d%c : %c%d%c";
      sprintf(tmp_str, d1_fmt, i0_pos + 1, sp0, sim_char, i1_pos + 1, sp1, o_sp1, (target ? i1_pos + 1 : i0_pos + 1), sp1);
    } else {
      d1_fmt = " qVariant: %d%c%c%d%c : %c%d%c";
      sprintf(tmp_str, d1_fmt, i0_pos + 1, sp0, sim_char, i1_pos + 1, sp1, o_sp1, (target ? i1_pos + 1 : i0_pos + 1), sp0);
    }
    dyn_strcat(annot_var_dyn, tmp_str);
    if (ann_comment) {
      sprintf(tmp_str, " : %s", ann_comment);
      dyn_strcat(annot_var_dyn, tmp_str);
    }
    dyn_strcat(annot_var_dyn, "\n");
  } else if (d_type == 2) {
    if (target == 1) {
      ann_ch0 = 'X';
      ann_ch1 = 'V';
    } else {
      ann_ch0 = 'V';
      ann_ch1 = 'X';
    }
    sprintf(tmp_str, "|%c%c:%ld%c%c%ld%c", ann_ch0, ann_ch1, i0_pos + 1, sp0, sim_char, i1_pos + 1, sp1);
    dyn_strcat(annot_var_dyn, tmp_str);
  }
}
```