user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<neighbor_advertisement>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  movb   $0x60,(%rax)
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  add    $0x3,%rax
  movb   $0x0,(%rax)
  addl   $0x4,-0xc(%rbp)
  addl   $0x2,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x3a,(%rax)
  addl   $0x1,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0xff,(%rax)
  addl   $0x1,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L27
L7:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%ecx
  mov    -0x10(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x10(%rbp)
L27:
  cmpl   $0xf,-0x10(%rbp)
  jle    L7
  addl   $0x10,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L3
L38:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%ecx
  mov    -0x10(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x10(%rbp)
L3:
  cmpl   $0xf,-0x10(%rbp)
  jle    L38
  addl   $0x10,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x88,(%rax)
  addl   $0x1,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  addl   $0x1,-0xc(%rbp)
  addl   $0x2,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0xc(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  or     $0x40,%edx
  mov    %dl,(%rax)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x2(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x3(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  addl   $0x4,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L51
L35:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%ecx
  mov    -0x10(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x10(%rbp)
L51:
  cmpl   $0xf,-0x10(%rbp)
  jle    L35
  addl   $0x10,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  sub    $0x28,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  sar    $0x8,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rax
  add    $0x5,%rax
  mov    -0x8(%rbp),%edx
  mov    %dl,(%rax)
  mov    -0xc(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <checksum_icmpv6@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x8,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x2a,%rax
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rax
  add    $0x2b,%rax
  mov    -0x4(%rbp),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *neighbor_advertisement(char *buffer, uint8_t *src_address, uint8_t *dst_address, uint8_t *target_address) {
  int offset = 0;
  uint16_t payload_length = 0;
  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];
  }
  offset += 16;
  for (ix = 0; ix < 16; ix++) {
    buffer[offset + ix] = dst_address[ix];
  }
  offset += 16;
  buffer[offset] = 0x88;
  offset += 1;
  buffer[offset] = 0;
  offset += 1;
  offset += 2;
  buffer[offset] = 0;
  buffer[offset] |= 0 << 7;
  buffer[offset] |= 1 << 6;
  buffer[offset] |= 0 << 5;
  buffer[offset + 1] = 0;
  buffer[offset + 2] = 0;
  buffer[offset + 3] = 0;
  offset += 4;
  for (ix = 0; ix < 16; ix++) {
    buffer[offset + ix] = target_address[ix];
  }
  offset += 16;
  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;
}
```