user: What would the C source look like for the assembly code provided here:

```asm
<hexdump>:
  endbr64
  test   %esi,%esi
  jle    L678
  push   %r15
  lea    -0x1(%rsi),%eax
  lea    D18(%rip),%r15
  push   %r14
  and    $0xfffffff0,%eax
  push   %r13
  add    $0x10,%eax
  push   %r12
  lea    0x10(%rdi),%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x18,%rsp
  mov    %rdi,(%rsp)
  mov    %eax,0xc(%rsp)
  nopw   0x0(%rax,%rax,1)
L467:
  mov    %ebp,%esi
  lea    D26(%rip),%rdi
  xor    %eax,%eax
  mov    %ebp,%r13d
  call   <printf@plt>
  mov    (%rsp),%rax
  mov    %rax,%r14
  sub    %eax,%r13d
  jmp    L167
  nop
L293:
  movzbl (%r14),%esi
  lea    D28(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <printf@plt>
  cmp    %r14,%r12
  je     L131
L167:
  lea    0x0(%r13,%r14,1),%eax
  cmp    %ebx,%eax
  jl     L293
  mov    %r15,%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <printf@plt>
  cmp    %r14,%r12
  jne    L167
L131:
  mov    $0x20,%edi
  call   <putchar@plt>
  mov    (%rsp),%rax
  movzbl (%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  je     L582
  mov    (%rsp),%rax
  movzbl (%rax),%edi
  call   <putchar@plt>
  lea    0x1(%rbp),%eax
  cmp    %eax,%ebx
  jg     L568
L668:
  lea    0x2(%rbp),%eax
  cmp    %eax,%ebx
  jg     L634
L217:
  lea    0x3(%rbp),%eax
  cmp    %eax,%ebx
  jg     L591
L309:
  lea    0x4(%rbp),%eax
  cmp    %eax,%ebx
  jg     L630
L478:
  lea    0x5(%rbp),%eax
  cmp    %eax,%ebx
  jg     L428
L587:
  lea    0x6(%rbp),%eax
  cmp    %eax,%ebx
  jg     L281
L644:
  lea    0x7(%rbp),%eax
  cmp    %eax,%ebx
  jg     L395
L95:
  lea    0x8(%rbp),%eax
  cmp    %eax,%ebx
  jg     L423
L258:
  lea    0x9(%rbp),%eax
  cmp    %eax,%ebx
  jg     L431
L257:
  lea    0xa(%rbp),%eax
  cmp    %eax,%ebx
  jg     L182
L482:
  lea    0xb(%rbp),%eax
  cmp    %eax,%ebx
  jg     L35
L59:
  lea    0xc(%rbp),%eax
  cmp    %eax,%ebx
  jg     L348
L596:
  lea    0xd(%rbp),%eax
  cmp    %eax,%ebx
  jg     L18
L563:
  lea    0xe(%rbp),%eax
  cmp    %eax,%ebx
  jg     L150
L611:
  lea    0xf(%rbp),%eax
  cmp    %eax,%ebx
  jg     L45
L388:
  mov    $0xa,%edi
  add    $0x10,%ebp
  add    $0x10,%r12
  call   <putchar@plt>
  addq   $0x10,(%rsp)
  cmp    0xc(%rsp),%ebp
  jne    L467
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L582:
  mov    $0x2e,%edi
  call   <putchar@plt>
  lea    0x1(%rbp),%eax
  cmp    %eax,%ebx
  jle    L668
L568:
  mov    (%rsp),%rax
  movzbl 0x1(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L295
  mov    $0x2e,%edi
L505:
  call   <putchar@plt>
  lea    0x2(%rbp),%eax
  cmp    %eax,%ebx
  jle    L217
L634:
  mov    (%rsp),%rax
  movzbl 0x2(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L485
  mov    $0x2e,%edi
L383:
  call   <putchar@plt>
  lea    0x3(%rbp),%eax
  cmp    %eax,%ebx
  jle    L309
L591:
  mov    (%rsp),%rax
  movzbl 0x3(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L433
  mov    $0x2e,%edi
L252:
  call   <putchar@plt>
  lea    0x4(%rbp),%eax
  cmp    %eax,%ebx
  jle    L478
L630:
  mov    (%rsp),%rax
  movzbl 0x4(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L137
  mov    $0x2e,%edi
L550:
  call   <putchar@plt>
  lea    0x5(%rbp),%eax
  cmp    %eax,%ebx
  jle    L587
L428:
  mov    (%rsp),%rax
  movzbl 0x5(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L12
  mov    $0x2e,%edi
L322:
  call   <putchar@plt>
  lea    0x6(%rbp),%eax
  cmp    %eax,%ebx
  jle    L644
L281:
  mov    (%rsp),%rax
  movzbl 0x6(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L54
  mov    $0x2e,%edi
L175:
  call   <putchar@plt>
  lea    0x7(%rbp),%eax
  cmp    %eax,%ebx
  jle    L95
L395:
  mov    (%rsp),%rax
  movzbl 0x7(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L381
  mov    $0x2e,%edi
L530:
  call   <putchar@plt>
  lea    0x8(%rbp),%eax
  cmp    %eax,%ebx
  jle    L258
L423:
  mov    (%rsp),%rax
  movzbl 0x8(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L622
  mov    $0x2e,%edi
L200:
  call   <putchar@plt>
  lea    0x9(%rbp),%eax
  cmp    %eax,%ebx
  jle    L257
L431:
  mov    (%rsp),%rax
  movzbl 0x9(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L438
  mov    $0x2e,%edi
L210:
  call   <putchar@plt>
  lea    0xa(%rbp),%eax
  cmp    %eax,%ebx
  jle    L482
L182:
  mov    (%rsp),%rax
  movzbl 0xa(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L127
  mov    $0x2e,%edi
L565:
  call   <putchar@plt>
  lea    0xb(%rbp),%eax
  cmp    %eax,%ebx
  jle    L59
L35:
  mov    (%rsp),%rax
  movzbl 0xb(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L347
  mov    $0x2e,%edi
L90:
  call   <putchar@plt>
  lea    0xc(%rbp),%eax
  cmp    %eax,%ebx
  jle    L596
L348:
  mov    (%rsp),%rax
  movzbl 0xc(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L242
  mov    $0x2e,%edi
L195:
  call   <putchar@plt>
  lea    0xd(%rbp),%eax
  cmp    %eax,%ebx
  jle    L563
L18:
  mov    (%rsp),%rax
  movzbl 0xd(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L418
  mov    $0x2e,%edi
L531:
  call   <putchar@plt>
  lea    0xe(%rbp),%eax
  cmp    %eax,%ebx
  jle    L611
L150:
  mov    (%rsp),%rax
  movzbl 0xe(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L361
  mov    $0x2e,%edi
L33:
  call   <putchar@plt>
  lea    0xf(%rbp),%eax
  cmp    %eax,%ebx
  jle    L388
L45:
  mov    (%rsp),%rax
  movzbl 0xf(%rax),%edi
  call   <isprint@plt>
  test   %rax,%rax
  jne    L206
  mov    $0x2e,%edi
L441:
  call   <putchar@plt>
  jmp    L388
L295:
  mov    (%rsp),%rax
  movzbl 0x1(%rax),%edi
  jmp    L505
L433:
  mov    (%rsp),%rax
  movzbl 0x3(%rax),%edi
  jmp    L252
L622:
  mov    (%rsp),%rax
  movzbl 0x8(%rax),%edi
  jmp    L200
L485:
  mov    (%rsp),%rax
  movzbl 0x2(%rax),%edi
  jmp    L383
L12:
  mov    (%rsp),%rax
  movzbl 0x5(%rax),%edi
  jmp    L322
L381:
  mov    (%rsp),%rax
  movzbl 0x7(%rax),%edi
  jmp    L530
L54:
  mov    (%rsp),%rax
  movzbl 0x6(%rax),%edi
  jmp    L175
L137:
  mov    (%rsp),%rax
  movzbl 0x4(%rax),%edi
  jmp    L550
L438:
  mov    (%rsp),%rax
  movzbl 0x9(%rax),%edi
  jmp    L210
L347:
  mov    (%rsp),%rax
  movzbl 0xb(%rax),%edi
  jmp    L90
L127:
  mov    (%rsp),%rax
  movzbl 0xa(%rax),%edi
  jmp    L565
L206:
  mov    (%rsp),%rax
  movzbl 0xf(%rax),%edi
  jmp    L441
L361:
  mov    (%rsp),%rax
  movzbl 0xe(%rax),%edi
  jmp    L33
L418:
  mov    (%rsp),%rax
  movzbl 0xd(%rax),%edi
  jmp    L531
L242:
  mov    (%rsp),%rax
  movzbl 0xc(%rax),%edi
  jmp    L195
L678:
  ret
```

tool_calls: name: retrieve_data
arguments: label: D18
datatype: string
name: retrieve_data
arguments: label: D26
datatype: string
name: retrieve_data
arguments: label: D28
datatype: string

tool: D18:    

tool: D26: %06x: 

tool: D28: %02x 

assistant: ```c
void hexdump(void *ptr, int buflen) {
  unsigned char *buf = (unsigned char *)ptr;
  int i, j;
  for (i = 0; i < buflen; i += 16) {
    printf("%06x: ", i);
    for (j = 0; j < 16; j++)
      if ((i + j) < buflen)
        printf("%02x ", buf[i + j]);
      else
        printf("   ");
    printf(" ");
    for (j = 0; j < 16; j++)
      if ((i + j) < buflen)
        printf("%c", isprint(buf[i + j]) ? buf[i + j] : '.');
    printf("\n");
  }
}
```