user: 这段汇编代码用C语言表示是什么样的:

```asm
<hanoi>:
  endbr64
  test   %edi,%edi
  jle    L22
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  movsbl %cl,%r12d
  push   %rbp
  movsbl %sil,%ebp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x18,%rsp
  cmp    $0x1,%edi
  je     L30
  movsbl %dl,%r13d
  lea    -0x1(%rdi),%r8d
  cmp    $0x2,%edi
  je     L78
  lea    -0x2(%rdi),%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x3,%edi
  je     L24
  mov    %r8d,0xc(%rsp)
  lea    -0x3(%rdi),%r14d
  cmp    $0x4,%edi
  je     L16
  lea    -0x4(%rdi),%r15d
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%ecx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    0x8(%rsp),%edi
  mov    %r12d,%edx
  mov    %ebp,%esi
  call   <print_hanoi@plt>
  mov    %ebp,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    0xc(%rsp),%edi
  mov    %r13d,%edx
  mov    %ebp,%esi
  call   <print_hanoi@plt>
  mov    %r13d,%ecx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %ebp,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    0x8(%rsp),%edi
  mov    %r13d,%edx
  mov    %r12d,%esi
  call   <print_hanoi@plt>
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%ecx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %r15d,%edi
  call   <hanoi>
  mov    0xc(%rsp),%r8d
L61:
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  mov    %r8d,0xc(%rsp)
  call   <print_hanoi@plt>
  cmp    $0x1,%r14d
  mov    0xc(%rsp),%r8d
  je     L67
  sub    $0x4,%ebx
  mov    %ebp,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %ebx,%edi
  mov    %r8d,0xc(%rsp)
  call   <hanoi>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  call   <hanoi>
  mov    0x8(%rsp),%r15d
  mov    %ebp,%edx
  mov    %r13d,%esi
  mov    %r15d,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%ecx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %ebx,%edi
  call   <hanoi>
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %ebp,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %ebx,%edi
  call   <hanoi>
  mov    0xc(%rsp),%edi
  mov    %r12d,%edx
  mov    %r13d,%esi
  call   <print_hanoi@plt>
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  call   <hanoi>
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%ecx
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    %ebx,%edi
  call   <hanoi>
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %r15d,%edi
  call   <print_hanoi@plt>
  mov    %ebp,%ecx
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %ebx,%edi
  call   <hanoi>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %r14d,%edi
  call   <print_hanoi@plt>
  add    $0x18,%rsp
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1120 <hanoi>
  nopl   0x0(%rax,%rax,1)
L24:
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    $0x2,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    $0x3,%edi
  call   <print_hanoi@plt>
  mov    %ebp,%edx
  mov    %r13d,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    $0x2,%edi
  call   <print_hanoi@plt>
  nopl   0x0(%rax)
L30:
  mov    %r12d,%edx
  mov    %ebp,%esi
L57:
  add    $0x18,%rsp
  mov    $0x1,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <print_hanoi@plt>
  nopl   (%rax)
L22:
  ret
  nopl   0x0(%rax)
L67:
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    $0x1,%edi
  mov    %r8d,0x8(%rsp)
  call   <print_hanoi@plt>
  mov    %ebp,%edx
  mov    %r13d,%esi
  mov    $0x2,%edi
  call   <print_hanoi@plt>
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    0x8(%rsp),%edi
  mov    %r12d,%edx
  mov    %r13d,%esi
  call   <print_hanoi@plt>
  nopw   0x0(%rax,%rax,1)
L78:
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    $0x2,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%edx
  mov    %r13d,%esi
  jmp    L57
  nopl   0x0(%rax)
L16:
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    $0x2,%edi
  call   <print_hanoi@plt>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    0xc(%rsp),%edi
  mov    %r13d,%edx
  mov    %ebp,%esi
  call   <print_hanoi@plt>
  mov    %ebp,%edx
  mov    %r12d,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    $0x2,%edi
  call   <print_hanoi@plt>
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    $0x1,%edi
  call   <print_hanoi@plt>
  mov    0xc(%rsp),%r8d
  jmp    L61
```

assistant: ```c
void hanoi(int ceil, char a, char b, char c) {
  if (0 >= ceil)
    return;
  if (1 == ceil)
    print_hanoi(ceil, a, c);
  else {
    hanoi(ceil - 1, a, c, b);
    print_hanoi(ceil, a, c);
    hanoi(ceil - 1, b, a, c);
  }
}
```