user: Demonstrate the C code that generates the assembly output below:

```asm
<StrUtil_copyNTString>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jg     L43
  mov    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L70
  lea    D5(%rip),%rax
  mov    %rax,%rcx
  mov    $0x2,%edx
  lea    D43(%rip),%rax
  mov    %rax,%rsi
  mov    $0xd,%edi
  call   <Error_write@plt>
  mov    $0x0,%eax
  jmp    L72
L70:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  movb   $0x0,(%rax)
  jmp    L51
L43:
  mov    -0x28(%rbp),%eax
  add    $0x1,%eax
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <calloc@plt>
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L67
  lea    D39(%rip),%rax
  mov    %rax,%rcx
  mov    $0x2,%edx
  lea    D52(%rip),%rax
  mov    %rax,%rsi
  mov    $0xd,%edi
  call   <Error_write@plt>
  mov    $0x0,%eax
  jmp    L72
L67:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  mov    -0x28(%rbp),%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <StrUtil_strncpy@plt>
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <StrUtil_rmEndSpaces@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L51
  lea    D5(%rip),%rax
  mov    %rax,%rcx
  mov    $0x2,%edx
  lea    D25(%rip),%rax
  mov    %rax,%rsi
  mov    $0xf,%edi
  call   <Error_write@plt>
  mov    $0x0,%eax
  jmp    L72
L51:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
L72:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D5
type_guessed: string
name: unpack_data
arguments: label: D43
type_guessed: string
name: unpack_data
arguments: label: D39
type_guessed: string
name: unpack_data
arguments: label: D52
type_guessed: string
name: unpack_data
arguments: label: D25
type_guessed: string

tool: D5: to

tool: D43: StrUtil_copyNTSring

tool: D39: *to

tool: D52: StrUtil_copyNTString

tool: D25: StrUtil_copyNTtring

assistant: ```c
char *StrUtil_copyNTString(char **to, char *from, int Start, int length) {
  int lenTo;
  int lenFrom = strlen(from);
  if (lenFrom - 1 < Start) {
    if ((*to = (char *)malloc(sizeof(char))) == NULL) {
      Error_write(13, "StrUtil_copyNTSring", 2, "to");
      return NULL;
    }
    (*to)[0] = '\0';
  } else {
    if ((*to = (char *)calloc(length + 1, sizeof(char))) == NULL) {
      Error_write(13, "StrUtil_copyNTString", 2, "*to");
      return NULL;
    }
    StrUtil_strncpy(*to, &(from[Start]), length);
    lenTo = StrUtil_rmEndSpaces(*to);
    if ((*to = (char *)realloc(*to, (lenTo + 1) * sizeof(char))) == NULL) {
      Error_write(15, "StrUtil_copyNTtring", 2, "to");
      return NULL;
    }
  }
  return *to;
}
```