user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<Ackermann>:
  endbr64
  test   %rdi,%rdi
  je     L316
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
L228:
  lea    -0x1(%rdi),%rax
  mov    %rax,0x18(%rsp)
  test   %rsi,%rsi
  jne    L171
  cmpq   $0x0,0x18(%rsp)
  je     L51
L352:
  mov    0x18(%rsp),%rax
L415:
  lea    -0x1(%rax),%rcx
  mov    %rcx,0x10(%rsp)
  test   %rsi,%rsi
  jne    L110
  cmpq   $0x0,0x10(%rsp)
  je     L283
L211:
  mov    0x10(%rsp),%rax
L381:
  lea    -0x1(%rax),%r14
  test   %rsi,%rsi
  jne    L108
  test   %r14,%r14
  je     L1
L324:
  mov    %r14,%rax
L238:
  lea    -0x1(%rax),%r13
  test   %rsi,%rsi
  jne    L337
  test   %r13,%r13
  je     L193
L8:
  mov    %r13,%rax
L260:
  lea    -0x1(%rax),%rdx
  test   %rsi,%rsi
  jne    L173
  test   %rdx,%rdx
  je     L230
L31:
  mov    %rdx,%rax
L448:
  lea    -0x1(%rax),%r15
  test   %rsi,%rsi
  jne    L2
  test   %r15,%r15
  je     L59
L218:
  mov    %r15,%rax
L11:
  lea    -0x1(%rax),%r12
  test   %rsi,%rsi
  jne    L396
  test   %r12,%r12
  je     L64
L309:
  mov    %r12,%rax
L206:
  lea    -0x1(%rax),%rbp
  test   %rsi,%rsi
  jne    L236
  test   %rbp,%rbp
  je     L53
L60:
  mov    %rbp,%rax
L34:
  lea    -0x1(%rax),%rbx
  test   %rsi,%rsi
  jne    L217
  test   %rbx,%rbx
  je     L435
L29:
  mov    %rbx,%rdi
  mov    %rdx,0x8(%rsp)
  call   <Ackermann>
  mov    0x8(%rsp),%rdx
  mov    %rax,%rsi
  mov    %rbx,%rax
  sub    $0x1,%rax
  jne    L34
  add    $0x1,%rsi
L280:
  mov    %rbp,%rax
  sub    $0x1,%rax
  jne    L206
  add    $0x1,%rsi
L104:
  mov    %r12,%rax
  sub    $0x1,%rax
  jne    L11
  add    $0x1,%rsi
L94:
  mov    %r15,%rax
  sub    $0x1,%rax
  jne    L448
  add    $0x1,%rsi
L445:
  mov    %rdx,%rax
  sub    $0x1,%rax
  jne    L260
  add    $0x1,%rsi
L330:
  mov    %r13,%rax
  sub    $0x1,%rax
  jne    L238
  add    $0x1,%rsi
L180:
  mov    %r14,%rax
  sub    $0x1,%rax
  jne    L381
  add    $0x1,%rsi
L10:
  mov    0x10(%rsp),%rax
  sub    $0x1,%rax
  jne    L415
  add    $0x1,%rsi
L373:
  mov    0x18(%rsp),%rdi
  sub    $0x1,%rdi
  jne    L228
  add    $0x28,%rsp
  lea    0x1(%rsi),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L435:
  mov    $0x2,%esi
  jmp    L280
  nopw   0x0(%rax,%rax,1)
L53:
  mov    $0x2,%esi
  jmp    L104
  nopw   0x0(%rax,%rax,1)
L64:
  mov    $0x2,%esi
  jmp    L94
  nopw   0x0(%rax,%rax,1)
L59:
  mov    $0x2,%esi
  jmp    L445
  nopw   0x0(%rax,%rax,1)
L230:
  mov    $0x2,%esi
  jmp    L330
  nopw   0x0(%rax,%rax,1)
L193:
  mov    $0x2,%esi
  jmp    L180
  nopw   0x0(%rax,%rax,1)
L1:
  mov    $0x2,%esi
  jmp    L10
  nopw   0x0(%rax,%rax,1)
L217:
  sub    $0x1,%rsi
  mov    %rax,%rbx
  jmp    L29
  nopl   0x0(%rax)
L283:
  mov    $0x2,%esi
  jmp    L373
  nopw   0x0(%rax,%rax,1)
L236:
  sub    $0x1,%rsi
  mov    %rax,%rbp
  jmp    L60
  nopl   0x0(%rax)
L51:
  add    $0x28,%rsp
  mov    $0x2,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L396:
  sub    $0x1,%rsi
  mov    %rax,%r12
  jmp    L309
  nopl   0x0(%rax)
L2:
  sub    $0x1,%rsi
  mov    %rax,%r15
  jmp    L218
  nopl   0x0(%rax)
L173:
  sub    $0x1,%rsi
  mov    %rax,%rdx
  jmp    L31
  nopl   0x0(%rax)
L337:
  sub    $0x1,%rsi
  mov    %rax,%r13
  jmp    L8
  nopl   0x0(%rax)
L108:
  sub    $0x1,%rsi
  mov    %rax,%r14
  jmp    L324
  nopl   0x0(%rax)
L316:
  lea    0x1(%rsi),%rax
  ret
  nopl   (%rax)
L110:
  mov    %rax,0x10(%rsp)
  sub    $0x1,%rsi
  jmp    L211
  cs nopw 0x0(%rax,%rax,1)
L171:
  mov    %rdi,0x18(%rsp)
  sub    $0x1,%rsi
  jmp    L352
```

assistant: ```c
unsigned long long int Ackermann(unsigned long long int m, unsigned long long int n) {
  if (m == 0) {
    return n + 1;
  }
  if (m > 0 && n == 0) {
    return Ackermann(m - 1, 1);
  }
  if (m > 0 && n > 0) {
    return Ackermann(m - 1, Ackermann(m, n - 1));
  }
}
```