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

```asm
<fmtnum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %esi,-0x4c(%rbp)
  mov    %edx,-0x50(%rbp)
  mov    %ecx,-0x54(%rbp)
  mov    %r8d,-0x58(%rbp)
  mov    %r9d,-0x5c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x38(%rbp)
  movl   $0x0,-0x34(%rbp)
  movl   $0x0,-0x30(%rbp)
  movl   $0x0,-0x2c(%rbp)
  mov    -0x48(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  cmpl   $0x0,-0x50(%rbp)
  je     L116
  cmpq   $0x0,-0x48(%rbp)
  jns    L116
  movl   $0x2d,-0x38(%rbp)
  mov    -0x48(%rbp),%rax
  neg    %rax
  mov    %rax,-0x28(%rbp)
L116:
  cmpl   $0x0,-0x4c(%rbp)
  jns    L23
  movl   $0x1,-0x2c(%rbp)
  negl   -0x4c(%rbp)
L23:
  cmpl   $0x0,-0x2c(%rbp)
  je     L6
  lea    D19(%rip),%rcx
  jmp    L160
L6:
  lea    D6(%rip),%rcx
L160:
  mov    -0x4c(%rbp),%eax
  mov    %eax,%esi
  mov    -0x28(%rbp),%rax
  mov    $0x0,%edx
  div    %rsi
  mov    %rdx,%rax
  add    %rax,%rcx
  mov    -0x34(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x34(%rbp)
  movzbl (%rcx),%edx
  cltq
  mov    %dl,-0x20(%rbp,%rax,1)
  mov    -0x4c(%rbp),%eax
  mov    %eax,%esi
  mov    -0x28(%rbp),%rax
  mov    $0x0,%edx
  div    %rsi
  mov    %rax,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L23
  mov    -0x34(%rbp),%eax
  cltq
  movb   $0x0,-0x20(%rbp,%rax,1)
  mov    -0x58(%rbp),%eax
  sub    -0x34(%rbp),%eax
  mov    %eax,-0x30(%rbp)
  cmpl   $0x0,-0x30(%rbp)
  jns    L85
  movl   $0x0,-0x30(%rbp)
L85:
  cmpl   $0x0,-0x54(%rbp)
  je     L73
  negl   -0x30(%rbp)
L73:
  cmpl   $0x0,-0x5c(%rbp)
  je     L166
  cmpl   $0x0,-0x30(%rbp)
  jle    L166
  cmpl   $0x0,-0x38(%rbp)
  je     L151
  mov    -0x38(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <dopr_outch@plt>
  subl   $0x1,-0x30(%rbp)
  movl   $0x0,-0x38(%rbp)
  jmp    L151
L128:
  mov    -0x5c(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <dopr_outch@plt>
  subl   $0x1,-0x30(%rbp)
L151:
  cmpl   $0x0,-0x30(%rbp)
  jg     L128
  jmp    L166
L39:
  mov    $0x20,%edi
  mov    $0x0,%eax
  call   <dopr_outch@plt>
  subl   $0x1,-0x30(%rbp)
L166:
  cmpl   $0x0,-0x30(%rbp)
  jg     L39
  cmpl   $0x0,-0x38(%rbp)
  je     L41
  mov    -0x38(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <dopr_outch@plt>
  jmp    L41
L28:
  subl   $0x1,-0x34(%rbp)
  mov    -0x34(%rbp),%eax
  cltq
  movzbl -0x20(%rbp,%rax,1),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <dopr_outch@plt>
L41:
  cmpl   $0x0,-0x34(%rbp)
  jg     L28
  jmp    L196
L118:
  mov    $0x20,%edi
  mov    $0x0,%eax
  call   <dopr_outch@plt>
  addl   $0x1,-0x30(%rbp)
L196:
  cmpl   $0x0,-0x30(%rbp)
  js     L118
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L144
  call   <__stack_chk_fail@plt>
L144:
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D19
type: string
name: read_data
arguments: tag: D6
type: string

tool: D19: 0123456789ABCDEF

tool: D6: 0123456789abcdef

assistant: ```c
void fmtnum(value, base, dosign, ljust, len, zpad) long value;
int base, dosign, ljust, len, zpad;
{
  int signvalue = 0;
  unsigned long uvalue;
  char convert[20];
  int place = 0;
  int padlen = 0;
  int caps = 0;
  uvalue = value;
  if (dosign) {
    if (value < 0) {
      signvalue = '-';
      uvalue = -value;
    }
  }
  if (base < 0) {
    caps = 1;
    base = -base;
  }
  do {
    convert[place++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")[uvalue % (unsigned)base];
    uvalue = (uvalue / (unsigned)base);
  } while (uvalue);
  convert[place] = 0;
  padlen = len - place;
  if (padlen < 0)
    padlen = 0;
  if (ljust)
    padlen = -padlen;
  if (zpad && padlen > 0) {
    if (signvalue) {
      dopr_outch(signvalue);
      --padlen;
      signvalue = 0;
    }
    while (padlen > 0) {
      dopr_outch(zpad);
      --padlen;
    }
  }
  while (padlen > 0) {
    dopr_outch(' ');
    --padlen;
  }
  if (signvalue)
    dopr_outch(signvalue);
  while (place > 0)
    dopr_outch(convert[--place]);
  while (padlen < 0) {
    dopr_outch(' ');
    ++padlen;
  }
}
```