user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ulifibonacci>:
  endbr64
  push   %r15
  mov    $0x1,%eax
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x98,%rsp
  movq   $0x0,0x18(%rsp)
  cmp    $0x2,%rdi
  jbe    L151
  mov    %rdi,%rax
L190:
  cmp    $0x3,%rax
  je     L118
  movq   $0x0,0x20(%rsp)
  sub    $0x2,%rax
  mov    %rax,0x8(%rsp)
  cmpq   $0x2,0x8(%rsp)
  mov    %rax,0x50(%rsp)
  je     L41
L280:
  movq   $0x0,0x28(%rsp)
  mov    0x8(%rsp),%rax
  sub    $0x1,%rax
  mov    %rax,0x10(%rsp)
  cmpq   $0x2,0x10(%rsp)
  mov    %rax,0x38(%rsp)
  je     L21
L263:
  movq   $0x0,0x30(%rsp)
  mov    0x10(%rsp),%rax
  sub    $0x1,%rax
  mov    %rax,0x40(%rsp)
  mov    %rax,%r11
L257:
  cmp    $0x2,%r11
  je     L172
  lea    -0x1(%r11),%rax
  xor    %ecx,%ecx
  mov    %rax,0x48(%rsp)
  mov    %rax,%rbp
L168:
  cmp    $0x2,%rbp
  je     L85
  lea    -0x1(%rbp),%rsi
  xor    %r12d,%r12d
  mov    %rsi,%rdx
L33:
  cmp    $0x2,%rdx
  je     L214
  lea    -0x2(%rdx),%r8
  xor    %r15d,%r15d
  mov    %r8,%r9
L77:
  mov    %r9,%rbx
  xor    %r13d,%r13d
  cmp    $0x1,%r9
  je     L187
  mov    %rbx,%r10
  xor    %r14d,%r14d
  cmp    $0x2,%rbx
  je     L201
  nop
L251:
  lea    -0x1(%r10),%rdi
  mov    %r8,0x88(%rsp)
  mov    %rsi,0x80(%rsp)
  mov    %r9,0x78(%rsp)
  mov    %rdx,0x70(%rsp)
  mov    %r11,0x68(%rsp)
  mov    %rcx,0x60(%rsp)
  mov    %r10,0x58(%rsp)
  call   <ulifibonacci>
  mov    0x58(%rsp),%r10
  mov    0x60(%rsp),%rcx
  add    %rax,%r14
  mov    0x68(%rsp),%r11
  mov    0x70(%rsp),%rdx
  sub    $0x2,%r10
  mov    0x78(%rsp),%r9
  mov    0x80(%rsp),%rsi
  cmp    $0x2,%r10
  mov    0x88(%rsp),%r8
  ja     L251
  add    $0x1,%r14
L228:
  lea    -0x2(%rbx),%rax
  sub    $0x1,%rbx
  add    %r14,%r13
  cmp    $0x2,%rbx
  jbe    L159
  mov    %rax,%rbx
  xor    %r14d,%r14d
  mov    %rbx,%r10
  cmp    $0x2,%rbx
  jne    L251
L201:
  mov    $0x1,%r14d
  jmp    L228
L214:
  mov    $0x1,%r15d
  xor    %r8d,%r8d
L47:
  sub    $0x1,%rdx
  add    %r15,%r12
  cmp    $0x2,%rdx
  jbe    L93
  mov    %r8,%rdx
  jmp    L33
L93:
  add    $0x1,%r12
L232:
  add    %r12,%rcx
  sub    $0x2,%rbp
  cmp    $0x2,%rsi
  ja     L168
  add    $0x1,%rcx
L204:
  add    %rcx,0x30(%rsp)
  sub    $0x2,%r11
  cmpq   $0x2,0x48(%rsp)
  ja     L257
  mov    0x30(%rsp),%rax
  add    $0x1,%rax
L184:
  add    %rax,0x28(%rsp)
  mov    0x10(%rsp),%rax
  sub    $0x2,%rax
  cmpq   $0x2,0x40(%rsp)
  jbe    L208
  mov    %rax,0x10(%rsp)
  cmpq   $0x2,0x10(%rsp)
  jne    L263
L21:
  movq   $0x1,0x40(%rsp)
  mov    $0x1,%eax
  jmp    L184
  nopl   0x0(%rax)
L187:
  mov    $0x1,%r13d
L63:
  add    %r13,%r15
  lea    -0x2(%r9),%rax
  cmp    $0x2,%r9
  jbe    L181
  mov    %rax,%r9
  jmp    L77
  nopl   0x0(%rax,%rax,1)
L181:
  add    $0x1,%r15
  jmp    L47
  nopl   0x0(%rax)
L159:
  add    $0x1,%r13
  jmp    L63
L85:
  mov    $0x1,%r12d
  mov    $0x1,%esi
  jmp    L232
L172:
  movq   $0x1,0x48(%rsp)
  mov    $0x1,%ecx
  jmp    L204
L208:
  mov    0x28(%rsp),%rax
  add    $0x1,%rax
L239:
  add    %rax,0x20(%rsp)
  mov    0x8(%rsp),%rax
  sub    $0x2,%rax
  cmpq   $0x2,0x38(%rsp)
  jbe    L45
  mov    %rax,0x8(%rsp)
  cmpq   $0x2,0x8(%rsp)
  jne    L280
L41:
  movq   $0x1,0x38(%rsp)
  mov    $0x1,%eax
  jmp    L239
L118:
  movq   $0x1,0x50(%rsp)
  mov    $0x1,%edx
L154:
  mov    0x50(%rsp),%rax
  add    %rdx,0x18(%rsp)
  cmp    $0x2,%rax
  ja     L190
  mov    0x18(%rsp),%rax
  add    $0x1,%rax
L151:
  add    $0x98,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L45:
  mov    0x20(%rsp),%rdx
  add    $0x1,%rdx
  jmp    L154
```

assistant: ```c
unsigned long long int ulifibonacci(unsigned long long int n) {
  if (n < 3)
    return 1;
  else
    return (ulifibonacci(n - 1) + ulifibonacci(n - 2));
}
```