user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<convert_elf_shdrs>:
  endbr64
  mov    %rdi,%rax
  test   %esi,%esi
  jle    L9
  mov    %esi,%esi
  lea    (%rsi,%rsi,4),%rdx
  lea    (%rdi,%rdx,8),%rcx
L19:
  mov    (%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,(%rax)
  mov    0x4(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x4(%rax)
  mov    0x8(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x8(%rax)
  mov    0xc(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0xc(%rax)
  mov    0x10(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x10(%rax)
  mov    0x14(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x14(%rax)
  mov    0x18(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x18(%rax)
  mov    0x1c(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x1c(%rax)
  mov    0x20(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x20(%rax)
  mov    0x24(%rax),%edx
  mov    %edx,%esi
  shl    $0x18,%esi
  mov    %edx,%edi
  shr    $0x18,%edi
  or     %edi,%esi
  mov    %edx,%edi
  shl    $0x8,%edi
  and    $0xff0000,%edi
  or     %edi,%esi
  shr    $0x8,%edx
  and    $0xff00,%edx
  or     %esi,%edx
  mov    %edx,0x24(%rax)
  add    $0x28,%rax
  cmp    %rax,%rcx
  jne    L19
L9:
  ret
```

assistant: ```c
void convert_elf_shdrs(Elf32_Shdr *s, int num) {
  int i;
  for (i = 0; i < num; i++, s++) {
    s->sh_name = ((unsigned int)((((unsigned int)(s->sh_name) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_name) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_name) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_name) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_type = ((unsigned int)((((unsigned int)(s->sh_type) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_type) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_type) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_type) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_flags = ((unsigned int)((((unsigned int)(s->sh_flags) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_flags) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_flags) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_flags) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_addr = ((unsigned int)((((unsigned int)(s->sh_addr) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_addr) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_addr) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_addr) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_offset = ((unsigned int)((((unsigned int)(s->sh_offset) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_offset) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_offset) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_offset) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_size = ((unsigned int)((((unsigned int)(s->sh_size) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_size) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_size) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_size) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_link = ((unsigned int)((((unsigned int)(s->sh_link) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_link) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_link) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_link) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_info = ((unsigned int)((((unsigned int)(s->sh_info) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_info) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_info) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_info) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_addralign = ((unsigned int)((((unsigned int)(s->sh_addralign) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_addralign) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_addralign) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_addralign) & (unsigned int)0xff000000UL) >> 24)));
    s->sh_entsize = ((unsigned int)((((unsigned int)(s->sh_entsize) & (unsigned int)0x000000ffUL) << 24) | (((unsigned int)(s->sh_entsize) & (unsigned int)0x0000ff00UL) << 8) | (((unsigned int)(s->sh_entsize) & (unsigned int)0x00ff0000UL) >> 8) | (((unsigned int)(s->sh_entsize) & (unsigned int)0xff000000UL) >> 24)));
  }
}
```