user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xd8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xc8(%rsp)
  xor    %eax,%eax
  movabs $0xa0a0a0a0a0a0a0a,%rax
  movabs $0xa0a0a0a0a0a0a0a,%rdx
  mov    %rax,(%rsp)
  mov    %rdx,0x8(%rsp)
  mov    %rax,0x10(%rsp)
  mov    %rdx,0x18(%rsp)
  mov    %rax,0x20(%rsp)
  mov    %rdx,0x28(%rsp)
  mov    %rax,0x30(%rsp)
  mov    %rdx,0x38(%rsp)
  mov    %rax,0x40(%rsp)
  mov    %rdx,0x48(%rsp)
  mov    %rax,0x50(%rsp)
  mov    %rdx,0x58(%rsp)
  mov    %rax,0x60(%rsp)
  mov    %rdx,0x68(%rsp)
  mov    %rax,0x70(%rsp)
  mov    %rdx,0x78(%rsp)
  mov    %rax,0x80(%rsp)
  mov    %rdx,0x88(%rsp)
  mov    %rax,0x90(%rsp)
  mov    %rdx,0x98(%rsp)
  mov    %rax,0xa0(%rsp)
  mov    %rdx,0xa8(%rsp)
  mov    %rax,0xb0(%rsp)
  mov    %rdx,0xb8(%rsp)
  movabs $0xa0a0a0a0a0a0a0a,%rax
  mov    %rax,0xc0(%rsp)
  lea    D3(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%ebx
  mov    $0xc8,%ebp
  movabs $0x8000400200000000,%r15
  jmp    L85
L3:
  add    $0x1,%rbx
  cmp    $0xc8,%rbx
  je     L157
L85:
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %eax,%r13d
  mov    %al,(%rsp,%rbx,1)
  cmp    $0x3f,%al
  ja     L3
  bt     %rax,%r15
  jae    L3
  lea    -0x1(%rbx),%ebp
  cmp    $0x20,%al
  je     L3
  movslq %ebx,%r14
  movb   $0xa,(%rsp,%r14,1)
L5:
  lea    D4(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  test   %ebp,%ebp
  js     L81
  movslq %ebp,%rax
  lea    (%rsp,%rax,1),%rbx
  add    $0x1,%ebp
  jmp    L71
L157:
  mov    $0x20,%r13d
  jmp    L5
L109:
  cmp    $0x1,%ebp
  je     L0
  sub    $0x1,%rbx
  sub    $0x1,%ebp
L71:
  cmpb   $0x20,(%rbx)
  jne    L109
  mov    $0x20,%edi
  call   <putchar@plt>
  movslq %ebp,%rax
  movzbl (%rsp,%rax,1),%edi
  cmp    $0xa,%dil
  je     L109
  cmp    $0x20,%dil
  je     L109
  mov    %rbx,%r12
L82:
  movsbl %dil,%edi
  call   <putchar@plt>
  movzbl 0x2(%r12),%edi
  add    $0x1,%r12
  cmp    $0xa,%dil
  je     L109
  cmp    $0x20,%dil
  jne    L82
  jmp    L109
L0:
  mov    $0x20,%edi
  call   <putchar@plt>
  movzbl (%rsp),%edi
  cmp    $0x20,%dil
  je     L81
  lea    0x1(%rsp),%rbx
L126:
  movsbl %dil,%edi
  call   <putchar@plt>
  add    $0x1,%rbx
  movzbl -0x1(%rbx),%edi
  cmp    $0x20,%dil
  jne    L126
L81:
  movsbl %r13b,%esi
  lea    D9(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0xc8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L102
  mov    $0x0,%eax
  add    $0xd8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L102:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D3
datatype: string
name: retrieve_data
arguments: data_label: D4
datatype: string
name: retrieve_data
arguments: data_label: D9
datatype: string

tool: D3: Enter a sentence: 

tool: D4: Reversal of sentence:

tool: D9: %c


assistant: ```c
int main(void) {
  char end_char = ' ', a[200] = {[0 ... 200 - 1] = '\n'};
  int i, n, effective_size = 200;
  printf("Enter a sentence: ");
  for (i = 0; i < 200; i++) {
    a[i] = getchar();
    switch (a[i]) {
    case '.':
    case '!':
    case '?':
      end_char = a[i];
      effective_size = i - 1;
      break;
    default:
      break;
    }
    if (end_char != ' ') {
      a[i] = '\n';
      break;
    }
  }
  printf("Reversal of sentence:");
  for (i = effective_size; i >= 0; --i) {
    if (a[i] == ' ') {
      putchar(' ');
      for (n = i + 1; (a[n] != '\n') && (a[n] != ' '); n++)
        putchar(a[n]);
    }
    if (i == 0) {
      putchar(' ');
      for (n = 0; a[n] != ' '; n++)
        putchar(a[n]);
      break;
    }
  }
  printf("%c\n", end_char);
  return 0;
}
```