user: 这段汇编代码用C语言表示是什么样的?

```asm
<router_solicitation>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  mov    $0xffffff3a,%r8d
  mov    %rdx,%rsi
  lea    0x8(%r12),%rcx
  lea    0x40(%rdi),%rdx
  mov    %r8w,0x6(%r12)
  mov    %rdi,%rax
  movl   $0x60,(%r12)
  cmp    %rdx,%rcx
  jae    L22
  lea    0x28(%r12),%rdx
  cmp    %rdx,%rdi
  jb     L9
L22:
  movdqu (%rax),%xmm0
  movdqu 0x10(%rax),%xmm4
  movdqu 0x30(%rax),%xmm3
  movdqa %xmm0,%xmm1
  punpcklwd %xmm4,%xmm0
  punpckhwd %xmm4,%xmm1
  movdqa %xmm0,%xmm2
  punpckhwd %xmm1,%xmm2
  punpcklwd %xmm1,%xmm0
  movdqu 0x20(%rax),%xmm1
  punpcklwd %xmm2,%xmm0
  movdqa %xmm1,%xmm2
  punpcklwd %xmm3,%xmm1
  punpckhwd %xmm3,%xmm2
  movdqa %xmm1,%xmm3
  punpckhwd %xmm2,%xmm3
  punpcklwd %xmm2,%xmm1
  movdqa D14(%rip),%xmm2
  punpcklwd %xmm3,%xmm1
  pand   %xmm2,%xmm0
  pand   %xmm1,%xmm2
  packuswb %xmm2,%xmm0
  movups %xmm0,0x8(%r12)
  movdqa D6(%rip),%xmm0
  movups %xmm0,0x18(%r12)
L10:
  mov    $0x85,%eax
  mov    $0x101,%edx
  mov    $0x1000,%ecx
  mov    %r12,%rdi
  mov    %ax,0x28(%r12)
  movl   $0x0,0x2c(%r12)
  mov    %dx,0x30(%r12)
  mov    0x8(%rsi),%eax
  mov    %al,0x32(%r12)
  mov    0xc(%rsi),%eax
  mov    %al,0x33(%r12)
  mov    0x10(%rsi),%eax
  mov    %al,0x34(%r12)
  mov    0x14(%rsi),%eax
  mov    %al,0x35(%r12)
  mov    0x18(%rsi),%eax
  mov    %al,0x36(%r12)
  mov    0x1c(%rsi),%eax
  mov    $0x38,%esi
  mov    %cx,0x4(%r12)
  mov    %al,0x37(%r12)
  call   <checksum_icmpv6@plt>
  rol    $0x8,%ax
  mov    %ax,0x2a(%r12)
  mov    %r12,%rax
  pop    %r12
  ret
  nopl   0x0(%rax)
L9:
  mov    (%rdi),%edx
  movb   $0xff,0x18(%r12)
  mov    %dl,0x8(%r12)
  mov    0x4(%rdi),%edx
  movb   $0x2,0x19(%r12)
  mov    %dl,0x9(%r12)
  mov    0x8(%rdi),%edx
  movb   $0x0,0x1a(%r12)
  mov    %dl,0xa(%r12)
  mov    0xc(%rdi),%edx
  movb   $0x0,0x1b(%r12)
  mov    %dl,0xb(%r12)
  mov    0x10(%rdi),%edx
  movb   $0x0,0x1c(%r12)
  mov    %dl,0xc(%r12)
  mov    0x14(%rdi),%edx
  movb   $0x0,0x1d(%r12)
  mov    %dl,0xd(%r12)
  mov    0x18(%rdi),%edx
  movb   $0x0,0x1e(%r12)
  mov    %dl,0xe(%r12)
  mov    0x1c(%rdi),%edx
  movb   $0x0,0x1f(%r12)
  mov    %dl,0xf(%r12)
  mov    0x20(%rdi),%edx
  movb   $0x0,0x20(%r12)
  mov    %dl,0x10(%r12)
  mov    0x24(%rdi),%edx
  movb   $0x0,0x21(%r12)
  mov    %dl,0x11(%r12)
  mov    0x28(%rdi),%edx
  mov    %dl,0x12(%r12)
  movb   $0x0,0x22(%r12)
  mov    0x2c(%rdi),%edx
  movb   $0x0,0x23(%r12)
  mov    %dl,0x13(%r12)
  mov    0x30(%rdi),%edx
  movb   $0x0,0x24(%r12)
  mov    %dl,0x14(%r12)
  mov    0x34(%rdi),%edx
  movb   $0x0,0x25(%r12)
  mov    %dl,0x15(%r12)
  mov    0x38(%rdi),%edx
  movb   $0x0,0x26(%r12)
  mov    %dl,0x16(%r12)
  mov    0x3c(%rdi),%eax
  movb   $0x2,0x27(%r12)
  mov    %al,0x17(%r12)
  jmp    L10
```

tool_calls: name: unpack_data
arguments: tag: D14
type: byte[16]
name: unpack_data
arguments: tag: D6
type: byte[16]

tool: {"D14": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

tool: {"D6": [0xff,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02]}

assistant: ```c
char *router_solicitation(uint8_t *src_address, char *buffer, uint8_t *mac_address) {
  int offset = 0;
  uint8_t dst_address[16] = {0xff, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x02};
  uint16_t payload_length;
  uint16_t checksum = 0;
  int ix;
  buffer[0] = 0x60;
  buffer[1] = 0;
  buffer[2] = 0;
  buffer[3] = 0;
  offset += 4;
  offset += 2;
  buffer[offset] = 0x3a;
  offset += 1;
  buffer[offset] = 255;
  offset += 1;
  for (ix = 0; ix < 16; ix++) {
    buffer[offset + ix] = src_address[ix];
    buffer[offset + 16 + ix] = dst_address[ix];
  }
  offset += 32;
  buffer[offset] = 0x85;
  offset += 1;
  buffer[offset] = 0;
  offset += 1;
  offset += 2;
  buffer[offset] = 0;
  buffer[offset + 1] = 0;
  buffer[offset + 2] = 0;
  buffer[offset + 3] = 0;
  offset += 4;
  buffer[offset] = 1;
  offset += 1;
  buffer[offset] = 1;
  offset += 1;
  for (ix = 2; ix < 8; ix++) {
    buffer[offset + (ix - 2)] = mac_address[ix];
  }
  offset += 6;
  payload_length = (offset - 40);
  buffer[4] = (payload_length >> 8) & 255;
  buffer[5] = (payload_length >> 0) & 255;
  checksum = checksum_icmpv6(buffer, (offset));
  buffer[42] = (checksum >> 8) & 255;
  buffer[43] = (checksum >> 0) & 255;
  return buffer;
}
```