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   %r12
  mov    $0x41,%edi
  push   %rbp
  sub    $0x218,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x208(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  lea    0x100(%rsp),%rbp
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x4e,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x61,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x6e,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x42,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x4f,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x62,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x6f,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x59,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x4c,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x79,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x6c,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x5a,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x4d,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x7a,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x6d,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x4e,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x41,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x6e,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x61,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x4f,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x42,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x6f,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x62,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x4c,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x59,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x6c,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x79,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x4d,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x5a,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x6d,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x7a,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x30,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x30,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x39,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x39,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x5c,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x5c,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x60,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x60,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x3f,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x3f,%al
  sete   %dil
  call   <assert@plt>
  mov    $0x21,%edi
  call   <rot13@plt>
  xor    %edi,%edi
  cmp    $0x21,%al
  sete   %dil
  call   <assert@plt>
  lea    D42(%rip),%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  lea    D15(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r12,%rdi
  call   <srot13@plt>
  lea    D47(%rip),%rsi
  mov    %eax,%edi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <srot13@plt>
  lea    D7(%rip),%rsi
  mov    %eax,%edi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D28(%rip),%rdi
  call   <puts@plt>
  mov    0x208(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x218,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D42
data_type: string
name: retrieve_data
arguments: label: D15
data_type: string
name: retrieve_data
arguments: label: D47
data_type: string
name: retrieve_data
arguments: label: D7
data_type: string
name: retrieve_data
arguments: label: D28
data_type: string

tool: D42: Why did the chicken cross the road?

tool: D15: To get to the other side!

tool: D47: Jul qvq gur puvpxra pebff gur ebnq?

tool: D7: Gb trg gb gur bgure fvqr!

tool: D28: All Tests Passed =)

assistant: ```c
int main(void) {
  assert(rot13('A') == 'N');
  assert(rot13('a') == 'n');
  assert(rot13('B') == 'O');
  assert(rot13('b') == 'o');
  assert(rot13('Y') == 'L');
  assert(rot13('y') == 'l');
  assert(rot13('Z') == 'M');
  assert(rot13('z') == 'm');
  assert(rot13('N') == 'A');
  assert(rot13('n') == 'a');
  assert(rot13('O') == 'B');
  assert(rot13('o') == 'b');
  assert(rot13('L') == 'Y');
  assert(rot13('l') == 'y');
  assert(rot13('M') == 'Z');
  assert(rot13('m') == 'z');
  assert(rot13('0') == '0');
  assert(rot13('9') == '9');
  assert(rot13('\\') == '\\');
  assert(rot13('`') == '`');
  assert(rot13('?') == '?');
  assert(rot13('!') == '!');
  char str1[255];
  char str2[255];
  strcpy(str1, "Why did the chicken cross the road?");
  strcpy(str2, "To get to the other side!");
  assert(strcmp(srot13(str1), "Jul qvq gur puvpxra pebff gur ebnq?") == 0);
  assert(strcmp(srot13(str2), "Gb trg gb gur bgure fvqr!") == 0);
  puts("All Tests Passed =)");
  return 0;
}
```