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

```asm
<comment_var>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x10,%rsp
  mov    0x1030(%rsp),%r12
  mov    0x1038(%rsp),%rbp
  mov    %fs:0x28,%r10
  mov    %r10,0x1008(%rsp)
  xor    %r10d,%r10d
  mov    %rdx,%rax
  mov    0x1048(%rsp),%edx
  cmp    $0x1,%edx
  je     L24
  cmp    $0x2,%edx
  je     L45
L15:
  mov    0x1008(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x1010,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L45:
  xor    %r10d,%r10d
  mov    %rsp,%r12
  movsbl %cl,%edx
  movsbl %r9b,%r9d
  cmpl   $0x1,0x1040(%rsp)
  lea    0x1(%rdi),%r8
  mov    %r12,%rdi
  sete   %r10b
  setne  %r11b
  sub    $0x8,%rsp
  add    $0x1,%rax
  push   %rdx
  movzbl %r11b,%r11d
  lea    0x56(%r10,%r10,1),%r10d
  push   %rax
  lea    0x56(%r11,%r11,1),%r11d
  mov    %r10d,%edx
  xor    %eax,%eax
  push   %r9
  mov    %r11d,%ecx
  movsbl %sil,%r9d
  lea    D12(%rip),%rsi
  call   <sprintf@plt>
  mov    %r12,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <dyn_strcat@plt>
  jmp    L15
  nopl   0x0(%rax)
L24:
  add    $0x1,%rax
  movsbl %r8b,%edx
  movsbl %cl,%r10d
  movsbl %r9b,%r8d
  cmpl   $0x1,0x1040(%rsp)
  movsbl %sil,%ecx
  lea    0x1(%rdi),%r11
  mov    %rsp,%r13
  je     L64
  push   %rcx
  mov    %rax,%r9
  lea    D38(%rip),%rsi
  mov    %r13,%rdi
  push   %rax
  xor    %eax,%eax
  push   %rdx
  mov    %r11,%rdx
  push   %r10
  call   <sprintf@plt>
  mov    %r13,%rsp
L52:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <dyn_strcat@plt>
  test   %r12,%r12
  je     L78
  lea    D25(%rip),%rsi
  mov    %r13,%rdi
  mov    %r12,%rdx
  xor    %eax,%eax
  call   <sprintf@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <dyn_strcat@plt>
L78:
  lea    D42(%rip),%rsi
  mov    %rbp,%rdi
  call   <dyn_strcat@plt>
  jmp    L15
  nopw   0x0(%rax,%rax,1)
L64:
  push   %r10
  mov    %rax,%r9
  lea    D5(%rip),%rsi
  mov    %r13,%rdi
  push   %rax
  xor    %eax,%eax
  push   %rdx
  mov    %r11,%rdx
  push   %r10
  call   <sprintf@plt>
  mov    %r13,%rsp
  jmp    L52
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D12
data_type: string
name: read_data
arguments: tag: D38
data_type: string
name: read_data
arguments: tag: D25
data_type: string
name: read_data
arguments: tag: D42
data_type: string
name: read_data
arguments: tag: D5
data_type: string

tool: D12: |%c%c:%ld%c%c%ld%c

tool: D38:  qVariant: %d%c%c%d%c : %c%d%c

tool: D25:  : %s

tool: D42: 


tool: D5:  Variant: %d%c%c%d%c : %c%d%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, i1_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, i1_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);
  }
}
```