user: 请将以下的汇编代码转换成C语言代码：

```asm
<fibo>:
  endbr64
  cmp    $0x1,%edi
  je     L411
  mov    %edi,%eax
  cmp    $0x2,%edi
  je     L175
  push   %r15
  sub    $0x2,%eax
  xor    %r9d,%r9d
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %eax,0xc(%rsp)
  mov    %r9d,0x10(%rsp)
L370:
  mov    0xc(%rsp),%edi
  lea    0x1(%rdi),%eax
  test   %edi,%edi
  je     L144
  cmp    $0x2,%eax
  je     L170
  movl   $0x0,0x4(%rsp)
  lea    -0x1(%rdi),%esi
L262:
  lea    0x1(%rsi),%eax
  test   %esi,%esi
  je     L421
  cmp    $0x2,%eax
  je     L304
  movl   $0x0,0x8(%rsp)
  lea    -0x1(%rsi),%ecx
  mov    %esi,0x18(%rsp)
L226:
  lea    0x1(%rcx),%eax
  test   %ecx,%ecx
  je     L427
  cmp    $0x2,%eax
  je     L406
  xor    %esi,%esi
  mov    %ecx,0x1c(%rsp)
  lea    -0x1(%rcx),%r8d
  mov    %esi,0x14(%rsp)
  mov    %r8d,%r15d
L356:
  lea    0x1(%r15),%eax
  test   %r15d,%r15d
  je     L2
  cmp    $0x2,%eax
  je     L68
  xor    %r9d,%r9d
  lea    -0x1(%r15),%r10d
  mov    %r15d,0x20(%rsp)
  mov    %r9d,(%rsp)
  mov    %r10d,%r15d
L159:
  lea    0x1(%r15),%eax
  test   %r15d,%r15d
  je     L17
  cmp    $0x2,%eax
  je     L198
  lea    -0x1(%r15),%r12d
  xor    %ecx,%ecx
  mov    %r15d,%esi
L118:
  lea    0x1(%r12),%eax
  test   %r12d,%r12d
  je     L360
  cmp    $0x2,%eax
  je     L155
  xor    %ebx,%ebx
  lea    -0x1(%r12),%ebp
  mov    %r12d,%edx
  mov    %ebx,%r12d
L86:
  lea    0x1(%rbp),%eax
  test   %ebp,%ebp
  je     L169
  cmp    $0x2,%eax
  je     L172
  mov    %ebp,%eax
  lea    -0x1(%rbp),%ebx
  xor    %r14d,%r14d
  mov    %ecx,%ebp
  mov    %eax,%ecx
L264:
  lea    0x1(%rbx),%r13d
  test   %ebx,%ebx
  je     L128
  cmp    $0x2,%r13d
  je     L45
  mov    %ebx,0x24(%rsp)
  xor    %r15d,%r15d
  mov    %esi,%ebx
L21:
  lea    -0x1(%r13),%edi
  mov    %ecx,0x2c(%rsp)
  sub    $0x2,%r13d
  mov    %edx,0x28(%rsp)
  call   <fibo>
  mov    0x28(%rsp),%edx
  mov    0x2c(%rsp),%ecx
  add    %eax,%r15d
  cmp    $0x1,%r13d
  je     L429
  cmp    $0x2,%r13d
  jne    L21
  mov    %ebx,%esi
  mov    0x24(%rsp),%ebx
  add    $0x1,%r15d
L496:
  add    %r15d,%r14d
  cmp    $0x1,%ebx
  je     L479
  cmp    $0x2,%ebx
  jne    L128
L45:
  mov    %ecx,%eax
  add    $0x1,%r14d
  mov    %ebp,%ecx
  mov    %eax,%ebp
  add    %r14d,%r12d
  cmp    $0x1,%ebp
  je     L204
L183:
  cmp    $0x2,%ebp
  jne    L169
L172:
  mov    %r12d,%ebx
  mov    %edx,%r12d
  add    $0x1,%ebx
L454:
  add    %ebx,%ecx
  cmp    $0x1,%r12d
  jne    L196
  mov    %esi,%r15d
  mov    %ecx,%r14d
  add    %r14d,(%rsp)
  mov    (%rsp),%r9d
  cmp    $0x1,%r15d
  jne    L83
L352:
  mov    0x20(%rsp),%r15d
  add    %r9d,0x14(%rsp)
  cmp    $0x1,%r15d
  je     L377
L464:
  cmp    $0x2,%r15d
  je     L68
L2:
  sub    $0x2,%r15d
  jmp    L356
L169:
  sub    $0x2,%ebp
  jmp    L86
L196:
  cmp    $0x2,%r12d
  jne    L360
L155:
  mov    %ecx,%r14d
  mov    %esi,%r15d
  add    $0x1,%r14d
  add    %r14d,(%rsp)
  mov    (%rsp),%r9d
  cmp    $0x1,%r15d
  je     L352
L83:
  cmp    $0x2,%r15d
  je     L198
L17:
  sub    $0x2,%r15d
  jmp    L159
L360:
  sub    $0x2,%r12d
  jmp    L118
L479:
  mov    %ecx,%eax
  mov    %ebp,%ecx
  add    %r14d,%r12d
  mov    %eax,%ebp
  cmp    $0x1,%ebp
  jne    L183
L204:
  mov    %r12d,%ebx
  mov    %edx,%r12d
  jmp    L454
  nopl   0x0(%rax,%rax,1)
L429:
  mov    %ebx,%esi
  mov    0x24(%rsp),%ebx
  jmp    L496
L198:
  mov    (%rsp),%r9d
  mov    0x20(%rsp),%r15d
  add    $0x1,%r9d
  add    %r9d,0x14(%rsp)
  cmp    $0x1,%r15d
  jne    L464
L377:
  mov    0x1c(%rsp),%ecx
  mov    0x14(%rsp),%esi
  add    %esi,0x8(%rsp)
  cmp    $0x1,%ecx
  jne    L153
L76:
  mov    0x18(%rsp),%esi
  jmp    L41
  xchg   %ax,%ax
L128:
  sub    $0x2,%ebx
  jmp    L264
L68:
  mov    0x14(%rsp),%esi
  mov    0x1c(%rsp),%ecx
  add    $0x1,%esi
  add    %esi,0x8(%rsp)
  cmp    $0x1,%ecx
  je     L76
L153:
  cmp    $0x2,%ecx
  je     L406
L427:
  sub    $0x2,%ecx
  jmp    L226
L406:
  addl   $0x1,0x8(%rsp)
  mov    0x18(%rsp),%esi
L41:
  mov    0x8(%rsp),%edi
  add    %edi,0x4(%rsp)
  cmp    $0x1,%esi
  je     L26
  cmp    $0x2,%esi
  je     L304
L421:
  sub    $0x2,%esi
  jmp    L262
L304:
  addl   $0x1,0x4(%rsp)
L26:
  mov    0x4(%rsp),%edi
  add    %edi,0x10(%rsp)
  cmpl   $0x1,0xc(%rsp)
  je     L16
  cmpl   $0x2,0xc(%rsp)
  jne    L144
L170:
  mov    0x10(%rsp),%r9d
  add    $0x1,%r9d
L191:
  add    $0x38,%rsp
  mov    %r9d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L144:
  subl   $0x2,0xc(%rsp)
  jmp    L370
L411:
  xor    %r9d,%r9d
L440:
  mov    %r9d,%eax
  ret
L175:
  mov    $0x1,%r9d
  jmp    L440
L16:
  mov    0x10(%rsp),%r9d
  jmp    L191
```

assistant: ```c
int fibo(int n) {
  if (n == 1)
    return 0;
  else if (n == 2)
    return 1;
  else
    return fibo(n - 1) + fibo(n - 2);
}
```