user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<print_diff>:
  endbr64
  push   %r15
  mov    %esi,%r15d
  push   %r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  lea    D41(%rip),%rdi
  push   %rbx
  mov    $0x10,%ebx
  sub    $0x28,%rsp
  cmp    %ebx,%esi
  cmovle %esi,%ebx
  xor    %eax,%eax
  mov    %rcx,0x10(%rsp)
  xor    %r14d,%r14d
  call   <printf@plt>
  movslq %ebp,%rax
  lea    D95(%rip),%rbp
  mov    %rax,0x8(%rsp)
  lea    0x0(%r13,%rax,1),%r12
  test   %r15d,%r15d
  jle    L62
  nopw   0x0(%rax,%rax,1)
L42:
  movzbl (%r12,%r14,1),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <printf@plt>
  cmp    %r14d,%ebx
  jg     L42
  lea    D13(%rip),%r12
  cmp    $0x10,%r15d
  jg     L67
  lea    D38(%rip),%r12
L67:
  lea    D28(%rip),%r15
  mov    %r12,%rsi
  xor    %eax,%eax
  xor    %r14d,%r14d
  mov    %r15,%rdi
  call   <printf@plt>
  mov    %r12,0x18(%rsp)
  add    0x8(%rsp),%r13
  lea    D7(%rip),%r12
  nopl   0x0(%rax)
L47:
  movzbl 0x0(%r13,%r14,1),%esi
  mov    $0x2e,%eax
  mov    %r12,%rdi
  cmp    $0x20,%sil
  cmovbe %eax,%esi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <printf@plt>
  cmp    %r14d,%ebx
  jg     L47
  lea    D67(%rip),%rdi
  xor    %eax,%eax
  xor    %r14d,%r14d
  call   <printf@plt>
  mov    0x10(%rsp),%rax
  mov    0x8(%rsp),%rdx
  lea    (%rax,%rdx,1),%r13
  nopl   0x0(%rax)
L31:
  movzbl 0x0(%r13,%r14,1),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <printf@plt>
  cmp    %r14d,%ebx
  jg     L31
  mov    0x18(%rsp),%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  xor    %r14d,%r14d
  mov    $0x2e,%ebp
  call   <printf@plt>
L51:
  movzbl 0x0(%r13,%r14,1),%esi
  mov    %r12,%rdi
  cmp    $0x20,%sil
  cmovbe %ebp,%esi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <printf@plt>
  cmp    %r14d,%ebx
  jg     L51
L38:
  add    $0x28,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax,%rax,1)
L62:
  lea    D38(%rip),%r12
  lea    D28(%rip),%rbp
  xor    %eax,%eax
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <printf@plt>
  lea    D67(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L38
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D41
data_type: string
name: extract_symbolic_data
arguments: data_tag: D95
data_type: string
name: extract_symbolic_data
arguments: data_tag: D13
data_type: string
name: extract_symbolic_data
arguments: data_tag: D38
data_type: string
name: extract_symbolic_data
arguments: data_tag: D28
data_type: string
name: extract_symbolic_data
arguments: data_tag: D7
data_type: string
name: extract_symbolic_data
arguments: data_tag: D67
data_type: string

tool: D41: OLD:

tool: D95:  %02x

tool: D13:  ...

tool: 

tool: D28: %s
    

tool: D7:  %2c

tool: D67: 
NEW:

assistant: ```c
void print_diff(off_t from, int max, const unsigned char *o, const unsigned char *n) {
  int i, len = max;
  if (len > 16)
    len = 16;
  printf("OLD:");
  for (i = 0; i < len; i++)
    printf(" %02x", o[from + i]);
  printf("%s\n    ", max != len ? " ..." : "");
  for (i = 0; i < len; i++)
    printf(" %2c", o[from + i] > ' ' ? o[from + i] : '.');
  printf("\nNEW:");
  for (i = 0; i < len; i++)
    printf(" %02x", n[from + i]);
  printf("%s\n    ", max != len ? " ..." : "");
  for (i = 0; i < len; i++)
    printf(" %2c", n[from + i] > ' ' ? n[from + i] : '.');
  printf("\n");
}
```