user: 这段汇编代码用C语言表示是什么样的？

```asm
<test_strrchr>:
  endbr64
  push   %rbp
  mov    $0x7a,%esi
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x2(%rsp),%rbp
  mov    $0x7a,%eax
  movl   $0x79797978,0x2(%rsp)
  mov    %rbp,%rdi
  mov    %ax,0x6(%rsp)
  call   <strrchr@plt>
  mov    %rax,%rbx
  lea    0x6(%rsp),%rax
  cmp    %rax,%rbx
  je     L61
  mov    $0x101,%edx
  lea    D87(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
L4:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L126
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L61:
  mov    $0x7a,%esi
  mov    %rbp,%rdi
  call   <strrchr@plt>
  cmp    %rax,%rbx
  je     L111
  mov    $0x102,%edx
  lea    D87(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L4
  xchg   %ax,%ax
L111:
  xor    %esi,%esi
  mov    %rbp,%rdi
  call   <strrchr@plt>
  mov    %rax,%rbx
  lea    0x7(%rsp),%rax
  cmp    %rax,%rbx
  je     L99
  mov    $0x105,%edx
  lea    D94(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L4
  nopl   0x0(%rax,%rax,1)
L99:
  xor    %esi,%esi
  mov    %rbp,%rdi
  call   <strrchr@plt>
  cmp    %rax,%rbx
  je     L115
  mov    $0x106,%edx
  lea    D34(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L4
  cs nopw 0x0(%rax,%rax,1)
L115:
  mov    $0x64,%esi
  mov    %rbp,%rdi
  call   <strrchr@plt>
  test   %rax,%rax
  je     L116
  mov    $0x108,%edx
  lea    D98(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L4
  nopl   0x0(%rax)
L116:
  mov    $0x79,%esi
  mov    %rbp,%rdi
  call   <strrchr@plt>
  lea    0x5(%rsp),%rdx
  cmp    %rax,%rdx
  je     L79
  mov    $0x109,%edx
  lea    D90(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L4
L79:
  mov    $0x78,%esi
  mov    %rbp,%rdi
  call   <strrchr@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  cmp    %r8,%rbp
  je     L4
  mov    $0x10a,%edx
  lea    D14(%rip),%rsi
  lea    D100(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L4
L126:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D87
type_guessed: string
name: read_data
arguments: tag: D100
type_guessed: string
name: read_data
arguments: tag: D94
type_guessed: string
name: read_data
arguments: tag: D34
type_guessed: string
name: read_data
arguments: tag: D98
type_guessed: string
name: read_data
arguments: tag: D90
type_guessed: string
name: read_data
arguments: tag: D14
type_guessed: string

tool: D87: &data[4] == strrchr(data, 'z')

tool: D100: expression '%s' untrue at %d


tool: D94: &data[5] == strrchr(data, 0)

tool: D34: &data[5] == strrchr(data, '\0')

tool: D98: NULL == strrchr(data, 'd')

tool: D90: &data[3] == strrchr(data, 'y')

tool: D14: &data[0] == strrchr(data, 'x')

assistant: ```c
int test_strrchr(void) {
  char data[] = "xyyyz";
  do {
    if (!(&data[4] == strrchr(data, 'z'))) {
      printf("expression '%s' untrue at %d\n", "&data[4] == strrchr(data, 'z')", 257);
      return 0;
    }
  } while (0);
  do {
    if (!(&data[4] == strrchr(data, 'z'))) {
      printf("expression '%s' untrue at %d\n", "&data[4] == strrchr(data, 'z')", 258);
      return 0;
    }
  } while (0);
  do {
    if (!(&data[5] == strrchr(data, 0))) {
      printf("expression '%s' untrue at %d\n", "&data[5] == strrchr(data, 0)", 261);
      return 0;
    }
  } while (0);
  do {
    if (!(&data[5] == strrchr(data, '\0'))) {
      printf("expression '%s' untrue at %d\n", "&data[5] == strrchr(data, '\\0')", 262);
      return 0;
    }
  } while (0);
  do {
    if (!(NULL == strrchr(data, 'd'))) {
      printf("expression '%s' untrue at %d\n", "NULL == strrchr(data, 'd')", 264);
      return 0;
    }
  } while (0);
  do {
    if (!(&data[3] == strrchr(data, 'y'))) {
      printf("expression '%s' untrue at %d\n", "&data[3] == strrchr(data, 'y')", 265);
      return 0;
    }
  } while (0);
  do {
    if (!(&data[0] == strrchr(data, 'x'))) {
      printf("expression '%s' untrue at %d\n", "&data[0] == strrchr(data, 'x')", 266);
      return 0;
    }
  } while (0);
  return 1;
}
```