user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<anagram_r>:
  endbr64
  push   %r15
  lea    -0x1(%r8),%eax
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %r9,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xf8,%rsp
  mov    %rsi,0x8(%rsp)
  mov    %edx,0xc4(%rsp)
  mov    %ecx,0x78(%rsp)
  mov    %eax,0x14(%rsp)
  cmp    %edx,%eax
  jle    L316
  cmp    %edx,%r8d
  jle    L335
  lea    0x2(%rdx),%eax
  mov    %r8d,%ebx
  lea    0x1(%rdx),%esi
  mov    %r8d,%r13d
  mov    %eax,0xd0(%rsp)
  lea    0x3(%rdx),%eax
  sub    %edx,%ebx
  mov    %r9,%r15
  mov    %eax,0xc0(%rsp)
  lea    0x4(%rdx),%eax
  mov    %eax,0x94(%rsp)
  lea    0x5(%rdx),%eax
  mov    %eax,0x70(%rsp)
  lea    0x6(%rdx),%eax
  mov    %eax,0x4c(%rsp)
  lea    0x7(%rdx),%eax
  mov    %eax,0x90(%rsp)
  lea    0x8(%rdx),%eax
  mov    %eax,0x48(%rsp)
  movslq %edx,%rax
  lea    -0x1(%rbx),%edx
  lea    0x1(%r14,%rax,1),%rcx
  mov    %ebx,0xd4(%rsp)
  lea    (%rdi,%rax,1),%rdi
  lea    (%rcx,%rdx,1),%rbx
  movslq %esi,%rdx
  lea    0x2(%r14,%rax,1),%rax
  mov    %esi,0xc8(%rsp)
  add    %r14,%rdx
  mov    %rdi,0xb8(%rsp)
  mov    %rdi,0xa0(%rsp)
  mov    %rbx,0xd8(%rsp)
  mov    %rdx,0xb0(%rsp)
  mov    %rax,0xe8(%rsp)
L181:
  mov    0xb8(%rsp),%rbx
  mov    0xa0(%rsp),%rsi
  movzbl (%rbx),%edx
  movzbl (%rsi),%eax
  mov    %dl,0xce(%rsp)
  mov    %al,(%rbx)
  mov    0xc8(%rsp),%eax
  mov    %dl,(%rsi)
  cmp    %eax,0x14(%rsp)
  jle    L225
  cmp    %r13d,%eax
  jge    L237
  mov    0xb0(%rsp),%rax
  mov    %rax,0xa8(%rsp)
  mov    0xd4(%rsp),%eax
  sub    $0x2,%eax
  add    0xe8(%rsp),%rax
  mov    %rax,0xe0(%rsp)
  mov    0xc4(%rsp),%eax
  add    $0x9,%eax
  mov    %eax,0x7c(%rsp)
  mov    %r15,%rax
  mov    %r14,%r15
  mov    %r13d,%r14d
  mov    %rax,%r13
L354:
  mov    0xb0(%rsp),%rdi
  mov    0xa8(%rsp),%rdx
  movzbl (%rdi),%ebx
  movzbl (%rdx),%eax
  mov    %bl,0xcf(%rsp)
  mov    %al,(%rdi)
  mov    0xd0(%rsp),%eax
  mov    %bl,(%rdx)
  cmp    %eax,0x14(%rsp)
  jle    L46
  movslq %eax,%rcx
  mov    %rcx,0x88(%rsp)
  add    %r15,%rcx
  mov    %rcx,0x98(%rsp)
  cmp    %eax,%r14d
  jle    L83
  mov    %r13,%rax
  mov    %r14d,%r13d
  mov    %rax,%r14
L221:
  mov    0x98(%rsp),%rdx
  mov    0x88(%rsp),%rdi
  movzbl (%rdx),%ecx
  movzbl (%r15,%rdi,1),%eax
  mov    %cl,0xcd(%rsp)
  mov    %al,(%rdx)
  mov    0xc0(%rsp),%eax
  mov    %cl,(%r15,%rdi,1)
  cmp    %eax,0x14(%rsp)
  jle    L85
  movslq %eax,%rbx
  lea    (%r15,%rbx,1),%rdi
  mov    %rbx,0x68(%rsp)
  mov    %rdi,0x80(%rsp)
  cmp    %eax,%r13d
  jle    L211
  mov    %r14,%rax
  mov    %r13d,%r14d
  mov    %rax,%r13
L289:
  mov    0x80(%rsp),%rdi
  mov    0x68(%rsp),%rcx
  movzbl (%rdi),%edx
  movzbl (%r15,%rcx,1),%eax
  mov    %dl,0xcc(%rsp)
  mov    %al,(%rdi)
  mov    0x94(%rsp),%eax
  mov    %dl,(%r15,%rcx,1)
  cmp    %eax,0x14(%rsp)
  jle    L207
  movslq %eax,%rsi
  mov    %rsi,0x28(%rsp)
  add    %r15,%rsi
  mov    %rsi,0x50(%rsp)
  cmp    %eax,%r14d
  jle    L203
  mov    %r13,%rax
  mov    %r15,%r13
  mov    %rax,%r15
L204:
  mov    0x50(%rsp),%rdx
  mov    0x28(%rsp),%rcx
  movzbl (%rdx),%edi
  movzbl 0x0(%r13,%rcx,1),%eax
  mov    %dil,0x76(%rsp)
  mov    %al,(%rdx)
  mov    0x70(%rsp),%eax
  mov    %dil,0x0(%r13,%rcx,1)
  cmp    %eax,0x14(%rsp)
  jle    L242
  movslq %eax,%r12
  lea    0x0(%r13,%r12,1),%rcx
  mov    %rcx,0x20(%rsp)
  cmp    %eax,%r14d
  jle    L268
  mov    %r15,%r9
  mov    %r12,%r15
L287:
  mov    0x20(%rsp),%rdx
  movzbl 0x0(%r13,%r15,1),%eax
  movzbl (%rdx),%edi
  mov    %al,(%rdx)
  mov    0x4c(%rsp),%eax
  mov    %dil,0x75(%rsp)
  mov    %dil,0x0(%r13,%r15,1)
  cmp    %eax,0x14(%rsp)
  jle    L154
  movslq %eax,%rdx
  lea    0x0(%r13,%rdx,1),%rsi
  mov    %rdx,0x30(%rsp)
  mov    %rsi,0x38(%rsp)
  cmp    %eax,%r14d
  jle    L137
  mov    %r15,0x40(%rsp)
  mov    %r13,%r15
  mov    %r9,%r13
L333:
  mov    0x38(%rsp),%rcx
  mov    0x30(%rsp),%rsi
  movzbl (%rcx),%edi
  movzbl (%r15,%rsi,1),%eax
  mov    %dil,0x77(%rsp)
  mov    %al,(%rcx)
  mov    0x90(%rsp),%eax
  mov    %dil,(%r15,%rsi,1)
  cmp    %eax,0x14(%rsp)
  jle    L144
  movslq %eax,%rbx
  lea    (%r15,%rbx,1),%rbp
  cmp    %eax,%r14d
  jle    L31
L172:
  movzbl 0x0(%rbp),%esi
  movzbl (%r15,%rbx,1),%eax
  mov    %sil,0x18(%rsp)
  mov    %al,0x0(%rbp)
  mov    0x48(%rsp),%eax
  mov    %sil,(%r15,%rbx,1)
  cmp    %eax,0x14(%rsp)
  jle    L359
  movslq %eax,%r12
  lea    (%r15,%r12,1),%r10
  cmp    %eax,%r14d
  jle    L285
  mov    %r13,%r9
  mov    %rbp,%r13
  mov    %rbx,%rbp
L173:
  movzbl (%r10),%ebx
  movzbl (%r15,%r12,1),%eax
  mov    %r14d,%r8d
  mov    %r15,%rdi
  mov    0x78(%rsp),%ecx
  mov    0x7c(%rsp),%edx
  mov    %r10,0x60(%rsp)
  mov    %al,(%r10)
  mov    0x8(%rsp),%rsi
  mov    %bl,(%r15,%r12,1)
  mov    %r9,0x58(%rsp)
  call   <anagram_r>
  mov    0x60(%rsp),%r10
  mov    0x58(%rsp),%r9
  movzbl (%r10),%eax
  mov    %al,(%r15,%r12,1)
  add    $0x1,%r12
  cmp    %r12d,%r14d
  mov    %bl,(%r10)
  jg     L173
  mov    %rbp,%rbx
  mov    %r13,%rbp
  mov    %r9,%r13
L285:
  movzbl 0x0(%rbp),%eax
  mov    %al,(%r15,%rbx,1)
  movzbl 0x18(%rsp),%eax
  add    $0x1,%rbx
  mov    %al,0x0(%rbp)
  cmp    %ebx,%r14d
  jg     L172
L31:
  mov    0x38(%rsp),%rbx
  mov    0x30(%rsp),%rsi
  movzbl (%rbx),%eax
  mov    %al,(%r15,%rsi,1)
  movzbl 0x77(%rsp),%eax
  add    $0x1,%rsi
  mov    %rsi,0x30(%rsp)
  mov    %al,(%rbx)
  cmp    %esi,%r14d
  jg     L333
  mov    %r13,%r9
  mov    %r15,%r13
  mov    0x40(%rsp),%r15
L137:
  mov    0x20(%rsp),%rcx
  movzbl 0x75(%rsp),%edi
  movzbl (%rcx),%eax
  mov    %al,0x0(%r13,%r15,1)
  add    $0x1,%r15
  mov    %dil,(%rcx)
  cmp    %r15d,%r14d
  jg     L287
  mov    %r9,%r15
L268:
  mov    0x50(%rsp),%rdx
  mov    0x28(%rsp),%rsi
  movzbl (%rdx),%eax
  mov    %al,0x0(%r13,%rsi,1)
  movzbl 0x76(%rsp),%eax
  add    $0x1,%rsi
  mov    %rsi,0x28(%rsp)
  mov    %al,(%rdx)
  cmp    %esi,%r14d
  jg     L204
  mov    %r15,%rax
  mov    %r13,%r15
  mov    %rax,%r13
L203:
  mov    0x80(%rsp),%rbx
  mov    0x68(%rsp),%rsi
  movzbl (%rbx),%eax
  mov    %al,(%r15,%rsi,1)
  movzbl 0xcc(%rsp),%eax
  add    $0x1,%rsi
  mov    %rsi,0x68(%rsp)
  mov    %al,(%rbx)
  cmp    %esi,%r14d
  jg     L289
  mov    %r13,%rax
  mov    %r14d,%r13d
  mov    %rax,%r14
L211:
  mov    0x98(%rsp),%rdx
  mov    0x88(%rsp),%rdi
  movzbl (%rdx),%eax
  mov    %al,(%r15,%rdi,1)
  movzbl 0xcd(%rsp),%eax
  add    $0x1,%rdi
  mov    %rdi,0x88(%rsp)
  mov    %al,(%rdx)
  cmp    %edi,%r13d
  jg     L221
  mov    %r14,%rax
  mov    %r13d,%r14d
  mov    %rax,%r13
L83:
  mov    0xb0(%rsp),%rsi
  mov    0xa8(%rsp),%rdi
  movzbl (%rsi),%eax
  add    $0x1,%rdi
  mov    %al,-0x1(%rdi)
  movzbl 0xcf(%rsp),%eax
  mov    %rdi,0xa8(%rsp)
  mov    %al,(%rsi)
  cmp    %rdi,0xe0(%rsp)
  jne    L354
  mov    %r13,%rax
  mov    %r14d,%r13d
  mov    %r15,%r14
  mov    %rax,%r15
L237:
  mov    0xb8(%rsp),%rdi
  mov    0xa0(%rsp),%rsi
  movzbl (%rdi),%eax
  add    $0x1,%rsi
  mov    %al,-0x1(%rsi)
  movzbl 0xce(%rsp),%eax
  mov    %rsi,0xa0(%rsp)
  mov    %al,(%rdi)
  cmp    %rsi,0xd8(%rsp)
  jne    L181
L335:
  mov    0x8(%rsp),%rax
  add    $0xf8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L359:
  movslq 0x0(%r13),%rax
  mov    0x8(%rsp),%rcx
  mov    %r15,%rdi
  lea    (%rcx,%rax,8),%r12
  call   <string_new@plt>
  mov    %rax,(%r12)
  addl   $0x1,0x0(%r13)
  jmp    L285
  nopl   0x0(%rax,%rax,1)
L144:
  movslq 0x0(%r13),%rax
  mov    0x8(%rsp),%rcx
  mov    %r15,%rdi
  lea    (%rcx,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,0x0(%r13)
  jmp    L31
  nopw   0x0(%rax,%rax,1)
L154:
  movslq (%r9),%rax
  mov    0x8(%rsp),%rcx
  mov    %r13,%rdi
  mov    %r9,0x18(%rsp)
  lea    (%rcx,%rax,8),%rbx
  call   <string_new@plt>
  mov    0x18(%rsp),%r9
  mov    %rax,(%rbx)
  addl   $0x1,(%r9)
  jmp    L137
L242:
  movslq (%r15),%rax
  mov    0x8(%rsp),%rdx
  mov    %r13,%rdi
  lea    (%rdx,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,(%r15)
  jmp    L268
L207:
  movslq 0x0(%r13),%rax
  mov    0x8(%rsp),%rsi
  mov    %r15,%rdi
  lea    (%rsi,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,0x0(%r13)
  jmp    L203
L85:
  movslq (%r14),%rax
  mov    0x8(%rsp),%rdx
  mov    %r15,%rdi
  lea    (%rdx,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,(%r14)
  jmp    L211
L46:
  movslq 0x0(%r13),%rax
  mov    0x8(%rsp),%rbx
  mov    %r15,%rdi
  lea    (%rbx,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,0x0(%r13)
  jmp    L83
L225:
  movslq (%r15),%rax
  mov    0x8(%rsp),%rbx
  mov    %r14,%rdi
  lea    (%rbx,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,(%r15)
  jmp    L237
L316:
  movslq (%r9),%rax
  lea    (%rsi,%rax,8),%rbx
  call   <string_new@plt>
  mov    %rax,(%rbx)
  addl   $0x1,0x0(%r13)
  jmp    L335
```

assistant: ```c
char **anagram_r(char *s, char **buffer, int offset, int size, int length, int *count) {
  if (offset >= length - 1) {
    buffer[*count] = string_new(s);
    *count = *count + 1;
  } else {
    int i;
    char tmp;
    for (i = offset; i < length; i++) {
      tmp = s[offset];
      s[offset] = s[i];
      s[i] = tmp;
      anagram_r(s, buffer, offset + 1, size, length, count);
      s[i] = s[offset];
      s[offset] = tmp;
    }
  }
  return buffer;
}
```