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

```asm
<_printn>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %esi,-0x4c(%rbp)
  mov    %edx,-0x50(%rbp)
  mov    %rcx,-0x58(%rbp)
  mov    %r8,-0x60(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movb   $0x0,-0x39(%rbp)
  mov    -0x50(%rbp),%eax
  and    $0x1a,%eax
  mov    %eax,-0x30(%rbp)
  movl   $0x0,-0x38(%rbp)
  mov    -0x50(%rbp),%eax
  and    $0x400,%eax
  test   %eax,%eax
  je     L139
  mov    -0x50(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L138
  mov    -0x48(%rbp),%rax
  test   %ax,%ax
  jns    L138
  movb   $0x2d,-0x39(%rbp)
  mov    -0x48(%rbp),%rax
  cwtl
  neg    %eax
  cltq
  mov    %rax,-0x48(%rbp)
  jmp    L89
L138:
  mov    -0x48(%rbp),%rax
  test   %rax,%rax
  jns    L184
  movb   $0x2d,-0x39(%rbp)
  mov    -0x48(%rbp),%rax
  neg    %rax
  mov    %rax,-0x48(%rbp)
  jmp    L89
L184:
  mov    -0x50(%rbp),%eax
  and    $0x200,%eax
  test   %eax,%eax
  je     L54
  movb   $0x2b,-0x39(%rbp)
  jmp    L89
L54:
  mov    -0x50(%rbp),%eax
  and    $0x100,%eax
  test   %eax,%eax
  je     L89
  movb   $0x20,-0x39(%rbp)
  jmp    L89
L139:
  mov    -0x50(%rbp),%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L89
  mov    -0x48(%rbp),%rax
  movzwl %ax,%eax
  mov    %rax,-0x48(%rbp)
L89:
  lea    -0x20(%rbp),%rax
  mov    %rax,-0x28(%rbp)
L93:
  mov    -0x30(%rbp),%ecx
  mov    -0x48(%rbp),%rax
  mov    $0x0,%edx
  div    %rcx
  mov    %rdx,%rcx
  mov    -0x28(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x28(%rbp)
  lea    D0(%rip),%rdx
  movzbl (%rcx,%rdx,1),%edx
  mov    %dl,(%rax)
  mov    -0x30(%rbp),%edi
  mov    -0x48(%rbp),%rax
  mov    $0x0,%edx
  div    %rdi
  mov    %rax,-0x48(%rbp)
  cmpq   $0x0,-0x48(%rbp)
  jne    L93
  lea    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  sub    %rdx,%rax
  mov    %eax,-0x2c(%rbp)
  mov    -0x4c(%rbp),%eax
  sub    -0x2c(%rbp),%eax
  mov    %eax,-0x34(%rbp)
  cmpb   $0x0,-0x39(%rbp)
  je     L63
  mov    -0x50(%rbp),%eax
  and    $0x20,%eax
  test   %eax,%eax
  je     L265
  movsbl -0x39(%rbp),%eax
  lea    -0x38(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  lea    -0x58(%rbp),%rsi
  mov    %eax,%edi
  call   <__put@plt>
L265:
  subl   $0x1,-0x34(%rbp)
L63:
  mov    -0x50(%rbp),%eax
  and    $0x40,%eax
  test   %eax,%eax
  jne    L168
  mov    -0x4c(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jbe    L168
  jmp    L9
L75:
  mov    -0x50(%rbp),%eax
  and    $0x20,%eax
  test   %eax,%eax
  je     L219
  mov    $0x30,%edi
  jmp    L71
L219:
  mov    $0x20,%edi
L71:
  lea    -0x38(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  lea    -0x58(%rbp),%rax
  mov    %rax,%rsi
  call   <__put@plt>
L9:
  mov    -0x34(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x34(%rbp)
  test   %eax,%eax
  jne    L75
L168:
  cmpb   $0x0,-0x39(%rbp)
  je     L277
  mov    -0x50(%rbp),%eax
  and    $0x20,%eax
  test   %eax,%eax
  jne    L277
  movsbl -0x39(%rbp),%eax
  lea    -0x38(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  lea    -0x58(%rbp),%rsi
  mov    %eax,%edi
  call   <__put@plt>
L277:
  subq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  lea    -0x38(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  lea    -0x58(%rbp),%rsi
  mov    %eax,%edi
  call   <__put@plt>
  lea    -0x20(%rbp),%rax
  cmp    %rax,-0x28(%rbp)
  ja     L277
  mov    -0x50(%rbp),%eax
  and    $0x40,%eax
  test   %eax,%eax
  je     L245
  mov    -0x4c(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jbe    L245
  jmp    L212
L10:
  lea    -0x38(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  lea    -0x58(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x20,%edi
  call   <__put@plt>
L212:
  mov    -0x34(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x34(%rbp)
  test   %eax,%eax
  jne    L10
L245:
  mov    -0x38(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L48
  call   <__stack_chk_fail@plt>
L48:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D0
datatype: string

tool: D0: 0123456789abcdef

assistant: ```c
int _printn(unsigned long ul, unsigned int width, unsigned int flags, char *tbuf, char *ebuf) {
  char *p, buf[(sizeof(long) * 8 / 3) + 1];
  unsigned int len, pad;
  char sign = 0;
  unsigned int base = flags & 0x1a;
  int count = 0;
  if (flags & 0x400) {
    if ((flags & 0x01) && ((short)ul < 0)) {
      sign = '-';
      ul = -(short)ul;
    } else if ((long)ul < 0) {
      sign = '-';
      ul = -(long)ul;
    } else if (flags & 0x200) {
      sign = '+';
    } else if (flags & 0x100) {
      sign = ' ';
    }
  } else if (flags & 0x01)
    ul = (unsigned short)ul;
  p = buf;
  do {
    *p++ = "0123456789abcdef"[ul % base];
  } while (ul /= base);
  len = (unsigned int)(p - buf);
  pad = width - len;
  if (sign) {
    if (flags & 0x20)
      __put(sign, &tbuf, ebuf, &count);
    pad--;
  }
  if (!(flags & 0x40) && (width > len)) {
    while (pad--) {
      __put((flags & 0x20) ? '0' : ' ', &tbuf, ebuf, &count);
    }
  }
  if (sign && !(flags & 0x20))
    __put(sign, &tbuf, ebuf, &count);
  do {
    __put(*--p, &tbuf, ebuf, &count);
  } while (p > buf);
  if ((flags & 0x40) && (width > len)) {
    while (pad--) {
      __put(' ', &tbuf, ebuf, &count);
    }
  }
  return count;
}
```