user: 请将以下的汇编代码转换成C语言代码：

```asm
<random_ipv4_address>:
  endbr64
  push   %rbx
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x38e38e39,%rdx,%rdx
  sar    $0x21,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,8),%edx
  sub    %edx,%eax
  cmp    $0x8,%eax
  ja     L145
  mov    %eax,%eax
  lea    D1(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0xc0a80000,%ebx
L11:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cmp    $0x31,%eax
  jg     L12
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0xffffffff80008001,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0xf,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  mov    %edx,%ecx
  shl    $0x10,%ecx
  sub    %edx,%ecx
  sub    %ecx,%eax
  or     %eax,%ebx
  jmp    L12
  mov    $0x7f000001,%ebx
L148:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cmp    $0x31,%eax
  jle    L27
L12:
  mov    %ebx,%edi
  call   <htonl@plt>
  pop    %rbx
  ret
L145:
  mov    $0x0,%eax
  call   <rand@plt>
  mov    $0x0,%ebx
  jmp    L12
L27:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0xffffffff80000081,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x17,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  mov    %edx,%ecx
  shl    $0x18,%ecx
  sub    %edx,%ecx
  sub    %ecx,%eax
  or     %eax,%ebx
  jmp    L12
  mov    $0xa000000,%ebx
  jmp    L148
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  mov    $0xac100000,%ebx
  cmp    $0x31,%eax
  jg     L12
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%ebx
  movslq %eax,%rdx
  imul   $0xffffffff80000801,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x13,%edx
  sar    $0x1f,%eax
  sub    %eax,%edx
  mov    %edx,%eax
  shl    $0x14,%eax
  sub    %edx,%eax
  sub    %eax,%ebx
  or     $0xac100000,%ebx
  jmp    L12
  mov    $0xa9fe0000,%ebx
  jmp    L11
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  mov    $0xc0586300,%ebx
  cmp    $0x31,%eax
  jg     L12
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%ebx
  movslq %eax,%rdx
  imul   $0xffffffff80808081,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x7,%edx
  sar    $0x1f,%eax
  sub    %eax,%edx
  mov    %edx,%eax
  shl    $0x8,%eax
  sub    %edx,%eax
  sub    %eax,%ebx
  or     $0xc0586300,%ebx
  jmp    L12
  mov    $0x0,%eax
  call   <rand@plt>
  mov    $0xffffffff,%ebx
  jmp    L12
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cmp    $0x31,%eax
  jg     L18
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%ebx
  movslq %eax,%rdx
  imul   $0xffffffff80000009,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x1b,%edx
  sar    $0x1f,%eax
  sub    %eax,%edx
  mov    %edx,%eax
  shl    $0x1c,%eax
  sub    %edx,%eax
  sub    %eax,%ebx
  or     $0xe0000000,%ebx
  jmp    L12
L18:
  mov    $0xe0000000,%ebx
  jmp    L12
```

assistant: ```c
in_addr_t random_ipv4_address(void) {
  int addr = 0;
  int class = 0;
  switch (rand() % 9) {
  case 0:
    addr = 0;
    break;
  case 1:
    addr = 0x0a000000;
    class = 8;
    break;
  case 2:
    addr = 0x7f000001;
    class = 8;
    break;
  case 3:
    addr = 0xa9fe0000;
    class = 16;
    break;
  case 4:
    addr = 0xac100000;
    class = 12;
    break;
  case 5:
    addr = 0xc0586300;
    class = 24;
    break;
  case 6:
    addr = 0xc0a80000;
    class = 16;
    break;
  case 7:
    addr = 0xe0000000;
    class = 4;
    break;
  case 8:
    addr = 0xffffffff;
    break;
  default:
    break;
  }
  if (rand() % 100 < 50) {
    switch (class) {
    case 4:
      addr |= rand() % 0xfffffff;
      break;
    case 8:
      addr |= rand() % 0xffffff;
      break;
    case 12:
      addr |= rand() % 0xfffff;
      break;
    case 16:
      addr |= rand() % 0xffff;
      break;
    case 24:
      addr |= rand() % 0xff;
      break;
    default:
      break;
    }
  }
  return htonl(addr);
}
```