user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r12
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  mov    %r12,%rcx
  call   <__builtin_subcl@plt>
  or     (%rsp),%rax
  jne    L311
  xor    %edx,%edx
  xor    %esi,%esi
  mov    %r12,%rcx
  mov    $0xffffffffffffffff,%rdi
  call   <__builtin_subcl@plt>
  cmp    $0xffffffffffffffff,%rax
  jne    L311
  cmpq   $0x0,(%rsp)
  jne    L311
  xor    %edx,%edx
  xor    %edi,%edi
  mov    %r12,%rcx
  mov    $0xffffffffffffffff,%rsi
  call   <__builtin_subcl@plt>
  cmp    $0x1,%rax
  jne    L311
  cmpq   $0x1,(%rsp)
  jne    L311
  xor    %edx,%edx
  mov    %r12,%rcx
  mov    $0x1,%esi
  mov    $0xffffffffffffffff,%rdi
  call   <__builtin_subcl@plt>
  cmp    $0xfffffffffffffffe,%rax
  jne    L311
  cmpq   $0x0,(%rsp)
  jne    L311
  xor    %edx,%edx
  mov    %r12,%rcx
  mov    $0x1,%edi
  mov    $0xffffffffffffffff,%rsi
  call   <__builtin_subcl@plt>
  cmp    $0x2,%rax
  jne    L311
  cmpq   $0x1,(%rsp)
  jne    L311
  xor    %edx,%edx
  mov    %r12,%rcx
  mov    $0xffffffffffffffff,%rsi
  mov    $0xffffffffffffffff,%rdi
  call   <__builtin_subcl@plt>
  or     (%rsp),%rax
  jne    L311
  movabs $0xfffffffffffffff,%rsi
  xor    %edx,%edx
  mov    %r12,%rcx
  movabs $0x8fffffffffffffff,%rdi
  call   <__builtin_subcl@plt>
  movabs $0x8000000000000000,%rdx
  cmp    %rdx,%rax
  je     L322
L296:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L65
  add    $0x10,%rsp
  pop    %r12
  ret
L322:
  cmpq   $0x0,(%rsp)
  jne    L296
  xor    %edi,%edi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0xfffffffffffffffe,%rsi
  call   <__builtin_subcl@plt>
  sub    $0x1,%rax
  jne    L311
  cmpq   $0x1,(%rsp)
  jne    L311
  or     $0xffffffffffffffff,%rsi
  xor    %edi,%edi
  mov    %r12,%rcx
  mov    $0x1,%edx
  call   <__builtin_subcl@plt>
  test   %rax,%rax
  jne    L311
  cmpq   $0x1,(%rsp)
  jne    L311
  xor    %esi,%esi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0xfffffffffffffffe,%rdi
  call   <__builtin_subcl@plt>
  cmp    $0xfffffffffffffffd,%rax
  jne    L311
  cmpq   $0x0,(%rsp)
  jne    L311
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0xfffffffffffffffe,%rsi
  mov    $0xfffffffffffffffe,%rdi
  call   <__builtin_subcl@plt>
  cmp    $0xffffffffffffffff,%rax
  jne    L296
  cmpq   $0x1,(%rsp)
  jne    L296
  xor    %edx,%edx
  or     $0xffffffffffffffff,%rsi
  mov    %r12,%rcx
  mov    $0xfffffffffffffffe,%rdi
  call   <__builtin_subcl@plt>
  cmp    $0xffffffffffffffff,%rax
  jne    L296
  cmpq   $0x1,(%rsp)
  jne    L296
  or     $0xffffffffffffffff,%rsi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0xfffffffffffffffe,%rdi
  call   <__builtin_subcl@plt>
  cmp    $0xfffffffffffffffe,%rax
  jne    L296
  cmpq   $0x1,(%rsp)
  jne    L296
  xor    %esi,%esi
  or     $0xffffffffffffffff,%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  call   <__builtin_subcl@plt>
  cmp    $0xfffffffffffffffe,%rax
  jne    L311
  cmpq   $0x0,(%rsp)
  jne    L311
  or     $0xffffffffffffffff,%rsi
  or     $0xffffffffffffffff,%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  call   <__builtin_subcl@plt>
  add    $0x1,%rax
  jne    L311
  cmpq   $0x1,(%rsp)
  jne    L311
  xor    %edx,%edx
  mov    %r12,%rcx
  mov    $0x1,%esi
  mov    $0xf,%edi
  call   <__builtin_subcl@plt>
  cmp    $0xe,%rax
  jne    L311
  cmpq   $0x0,(%rsp)
  jne    L311
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0xf,%edi
  call   <__builtin_subcl@plt>
  cmp    $0xd,%rax
  jne    L311
  xor    %eax,%eax
  cmpq   $0x0,(%rsp)
  je     L296
L311:
  or     $0xffffffff,%eax
  jmp    L296
L65:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, const char **argv) {
  unsigned long carryout, res;
  res = __builtin_subcl((unsigned long)0x0, (unsigned long)0x0, 0, &carryout);
  if (res != 0x0 || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFF, (unsigned long)0x0, 0, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFF || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0x0, (unsigned long)0xFFFFFFFFFFFFFFFF, 0, &carryout);
  if (res != 0x01 || carryout != 1) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFF, (unsigned long)0x1, 0, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFE || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0x1, (unsigned long)0xFFFFFFFFFFFFFFFF, 0, &carryout);
  if (res != 0x2 || carryout != 1) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFF, (unsigned long)0xFFFFFFFFFFFFFFFF, 0, &carryout);
  if (res != 0x0 || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0x8FFFFFFFFFFFFFFF, (unsigned long)0x0FFFFFFFFFFFFFFF, 0, &carryout);
  if (res != 0x8000000000000000 || carryout != 0) {
    return res;
  }
  res = __builtin_subcl((unsigned long)0x0, (unsigned long)0xFFFFFFFFFFFFFFFE, 1, &carryout);
  if (res != 0x1 || carryout != 1) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0x0, (unsigned long)0xFFFFFFFFFFFFFFFF, 1, &carryout);
  if (res != 0x0 || carryout != 1) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFE, (unsigned long)0x0, 1, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFD || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFE, (unsigned long)0xFFFFFFFFFFFFFFFE, 1, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFF || carryout != 1) {
    return res;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFE, (unsigned long)0xFFFFFFFFFFFFFFFF, 0, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFF || carryout != 1) {
    return res;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFE, (unsigned long)0xFFFFFFFFFFFFFFFF, 1, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFE || carryout != 1) {
    return res;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFF, (unsigned long)0x0, 1, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFE || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0xFFFFFFFFFFFFFFFF, (unsigned long)0xFFFFFFFFFFFFFFFF, 1, &carryout);
  if (res != 0xFFFFFFFFFFFFFFFF || carryout != 1) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0x0F, (unsigned long)0x1, 0, &carryout);
  if (res != 0x0E || carryout != 0) {
    return -1;
  }
  res = __builtin_subcl((unsigned long)0x0F, (unsigned long)0x1, 1, &carryout);
  if (res != 0x0D || carryout != 0) {
    return -1;
  }
  return 0;
}
```