user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0xa,%esi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rbp
  movl   $0x0,0x4(%rsp)
  mov    %rbp,%rdi
  call   <__sync_fetch_and_add@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  cmpl   $0xa,0x4(%rsp)
  sete   %dil
  call   <assert@plt>
  mov    $0xa,%esi
  mov    %rbp,%rdi
  call   <__sync_fetch_and_sub@plt>
  xor    %edi,%edi
  cmp    $0xa,%eax
  sete   %dil
  call   <assert@plt>
  mov    0x4(%rsp),%eax
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0xa,%esi
  mov    %rbp,%rdi
  call   <__sync_add_and_fetch@plt>
  xor    %edi,%edi
  cmp    $0xa,%eax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  cmpl   $0xa,0x4(%rsp)
  sete   %dil
  call   <assert@plt>
  mov    $0xa,%esi
  mov    %rbp,%rdi
  call   <__sync_sub_and_fetch@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    0x4(%rsp),%edx
  xor    %edi,%edi
  test   %edx,%edx
  sete   %dil
  call   <assert@plt>
  xor    %esi,%esi
  mov    $0xa,%edx
  mov    %rbp,%rdi
  call   <__sync_bool_compare_and_swap@plt>
  xor    %edi,%edi
  cmp    $0x1,%eax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  cmpl   $0xa,0x4(%rsp)
  sete   %dil
  call   <assert@plt>
  xor    %edx,%edx
  mov    $0xa,%esi
  mov    %rbp,%rdi
  call   <__sync_val_compare_and_swap@plt>
  xor    %edi,%edi
  cmp    $0xa,%eax
  sete   %dil
  call   <assert@plt>
  mov    0x4(%rsp),%ecx
  xor    %edi,%edi
  test   %ecx,%ecx
  sete   %dil
  call   <assert@plt>
  xor    %edx,%edx
  xor    %esi,%esi
  mov    %rbp,%rdi
  movl   $0xb,0x4(%rsp)
  call   <__sync_val_compare_and_swap@plt>
  xor    %edi,%edi
  cmp    $0xb,%eax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  cmpl   $0xb,0x4(%rsp)
  sete   %dil
  call   <assert@plt>
  mov    $0xa,%esi
  mov    %rbp,%rdi
  call   <__sync_lock_test_and_set@plt>
  xor    %edi,%edi
  cmp    $0xb,%eax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  cmpl   $0xa,0x4(%rsp)
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <__sync_lock_release@plt>
  mov    0x4(%rsp),%esi
  xor    %edi,%edi
  test   %esi,%esi
  sete   %dil
  call   <assert@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  int count = 0;
  assert(__sync_fetch_and_add(&count, 10) == 0);
  assert(count == 10);
  assert(__sync_fetch_and_sub(&count, 10) == 10);
  assert(count == 0);
  assert(__sync_add_and_fetch(&count, 10) == 10);
  assert(count == 10);
  assert(__sync_sub_and_fetch(&count, 10) == 0);
  assert(count == 0);
  assert(__sync_bool_compare_and_swap(&count, 0, 10) == true);
  assert(count == 10);
  assert(__sync_val_compare_and_swap(&count, 10, 0) == 10);
  assert(count == 0);
  count = 11;
  assert(__sync_val_compare_and_swap(&count, 0, 0) == 11);
  assert(count == 11);
  assert(__sync_lock_test_and_set(&count, 10) == 11);
  assert(count == 10);
  __sync_lock_release(&count);
  assert(count == 0);
}
```