user: 请将以下的汇编代码转换成C语言代码：

```asm
<hexdump>:
  endbr64
  push   %r15
  pxor   %xmm0,%xmm0
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x30(%rsp)
  movaps %xmm0,0x20(%rsp)
  test   %rdi,%rdi
  je     L47
  mov    %rdi,%rsi
  lea    D56(%rip),%rdi
  call   <printf@plt>
L47:
  mov    %ebp,%eax
  xor    %r14d,%r14d
  lea    D60(%rip),%r13
  mov    %rax,0x8(%rsp)
  lea    0x20(%rsp),%rax
  lea    D67(%rip),%r15
  mov    %rax,0x10(%rsp)
  test   %ebp,%ebp
  jne    L14
  jmp    L39
  nopl   0x0(%rax)
L100:
  mov    %ebx,%ecx
  mov    %al,0x20(%rsp,%rcx,1)
L74:
  add    $0x1,%ebx
  add    $0x1,%r14
  movb   $0x0,0x20(%rsp,%rbx,1)
  cmp    0x8(%rsp),%r14
  je     L119
L14:
  mov    %r14d,%ebx
  mov    %r14d,%r8d
  and    $0xf,%ebx
  jne    L84
  test   %r14d,%r14d
  je     L16
  mov    0x10(%rsp),%rsi
  lea    D6(%rip),%rdi
  xor    %eax,%eax
  mov    %r14d,0x1c(%rsp)
  call   <printf@plt>
  mov    0x1c(%rsp),%r8d
L16:
  mov    %r8d,%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L84:
  mov    (%r12,%r14,4),%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    (%r12,%r14,4),%eax
  lea    -0x20(%rax),%ecx
  cmp    $0x5e,%ecx
  jbe    L100
  mov    %ebx,%eax
  movb   $0x2e,0x20(%rsp,%rax,1)
  jmp    L74
  xchg   %ax,%ax
L119:
  lea    D32(%rip),%rbx
  test   $0xf,%bpl
  je     L103
  nopl   (%rax)
L105:
  mov    %rbx,%rdi
  xor    %eax,%eax
  add    $0x1,%ebp
  call   <printf@plt>
  test   $0xf,%bpl
  jne    L105
L103:
  mov    0x10(%rsp),%rsi
  lea    D6(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L23:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L58
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L39:
  lea    D20(%rip),%rdi
  call   <puts@plt>
  jmp    L23
L58:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D56
type_guessed: string
name: disassemble_data
arguments: tag: D60
type_guessed: string
name: disassemble_data
arguments: tag: D67
type_guessed: string
name: disassemble_data
arguments: tag: D6
type_guessed: string
name: disassemble_data
arguments: tag: D32
type_guessed: string
name: disassemble_data
arguments: tag: D20
type_guessed: string

tool: D56: %s:


tool: D60:  %02x

tool: D67:   %04x 

tool: D6:   %s


tool: D32:    

tool: D20:   ZERO LENGTH

assistant: ```c
void hexdump(const char *desc, const void *addr, unsigned int len) {
  unsigned int i;
  char buff[17] = "";
  uint8_t *pc = (uint8_t *)addr;
  if (desc != NULL)
    printf("%s:\n", desc);
  if (len == 0) {
    printf("  ZERO LENGTH\n");
    return;
  }
  for (i = 0; i < len; i++) {
    if ((i % 16) == 0) {
      if (i != 0)
        printf("  %s\n", buff);
      printf("  %04x ", i);
    }
    printf(" %02x", (unsigned int)pc[i]);
    if ((pc[i] < 0x20) || (pc[i] > 0x7e))
      buff[i % 16] = '.';
    else
      buff[i % 16] = (char)pc[i];
    buff[(i % 16) + 1] = '\0';
  }
  while ((i % 16) != 0) {
    printf("   ");
    i++;
  }
  printf("  %s\n", buff);
}
```