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

```asm
<fmtstr>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdx,%r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    0x50(%rsp),%ebp
  test   %rcx,%rcx
  je     L32
  cmpb   $0x0,(%rcx)
  mov    %rcx,%r15
  je     L43
L72:
  mov    $0x1,%eax
  nopl   (%rax)
L272:
  mov    %eax,%edx
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%r15,%rax,1)
  jne    L272
  sub    %edx,%r9d
L43:
  xor    %ebx,%ebx
  test   %r9d,%r9d
  cmovns %r9d,%ebx
  mov    %ebx,0x8(%rsp)
  mov    %r8d,%ebx
  and    $0x1,%ebx
  jne    L29
  test   %r9d,%r9d
  jle    L145
  cmp    $0xffffffff,%ebp
  sete   0xf(%rsp)
  movzbl 0xf(%rsp),%eax
  test   %ebp,%ebp
  jg     L212
  test   %al,%al
  je     L145
L212:
  mov    $0x20,%ecx
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <dopr_outch@plt>
  add    $0x1,%ebx
  subl   $0x1,0x8(%rsp)
  je     L145
  cmp    %ebx,%ebp
  jg     L212
  cmpb   $0x0,0xf(%rsp)
  jne    L212
L75:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L29:
  movsbl (%r15),%ecx
  negl   0x8(%rsp)
  xor    %ebx,%ebx
  test   %cl,%cl
  je     L227
L202:
  cmp    $0xffffffff,%ebp
  sete   0xf(%rsp)
  movzbl 0xf(%rsp),%eax
  cmp    %ebx,%ebp
  jle    L163
  nopl   0x0(%rax,%rax,1)
L21:
  add    $0x1,%r15
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <dopr_outch@plt>
  movsbl (%r15),%ecx
  add    $0x1,%ebx
  test   %cl,%cl
  je     L227
  cmp    %ebx,%ebp
  jg     L21
  cmpb   $0x0,0xf(%rsp)
  jne    L21
  jmp    L75
  nopw   0x0(%rax,%rax,1)
L227:
  mov    0x8(%rsp),%eax
  test   %eax,%eax
  jns    L75
  cmp    $0xffffffff,%ebp
  sete   0xf(%rsp)
  movzbl 0xf(%rsp),%eax
  cmp    %ebx,%ebp
  jle    L217
L263:
  mov    %ebx,%r15d
  sub    0x8(%rsp),%r15d
  nopl   0x0(%rax)
L182:
  mov    $0x20,%ecx
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <dopr_outch@plt>
  add    $0x1,%ebx
  cmp    %r15d,%ebx
  je     L75
  cmp    %ebx,%ebp
  jg     L182
  cmpb   $0x0,0xf(%rsp)
  jne    L182
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L217:
  test   %al,%al
  jne    L263
  jmp    L75
  nopl   0x0(%rax)
L163:
  test   %al,%al
  jne    L21
  jmp    L75
  nopl   (%rax)
L32:
  lea    D9(%rip),%r15
  jmp    L72
L145:
  movsbl (%r15),%ecx
  test   %cl,%cl
  jne    L202
  jmp    L75
```

tool_calls: name: unpack_data
arguments: tag: D9
type_guessed: string

tool: D9: <NULL>

assistant: ```c
void fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags, int min, int max) {
  int padlen, strln;
  int cnt = 0;
  if (!value) {
    value = "<NULL>";
  }
  for (strln = 0; value[strln]; ++strln)
    ;
  padlen = min - strln;
  if (padlen < 0)
    padlen = 0;
  if (flags & (1 << 0))
    padlen = -padlen;
  while ((padlen > 0) && (max == -1 || cnt < max)) {
    dopr_outch(buffer, currlen, maxlen, ' ');
    --padlen;
    ++cnt;
  }
  while (*value && (max == -1 || cnt < max)) {
    dopr_outch(buffer, currlen, maxlen, *value++);
    ++cnt;
  }
  while ((padlen < 0) && (max == -1 || cnt < max)) {
    dopr_outch(buffer, currlen, maxlen, ' ');
    ++padlen;
    ++cnt;
  }
}
```