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   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x10(%rbp),%rax
  mov    %rax,%rsi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D90(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x11(%rbp),%rax
  mov    %rax,%rsi
  lea    D97(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,-0x11(%rbp)
  movzbl -0x11(%rbp),%eax
  movsbl %al,%eax
  cmp    $0x2f,%eax
  je     L49
  cmp    $0x2f,%eax
  jg     L17
  cmp    $0x2d,%eax
  je     L100
  cmp    $0x2d,%eax
  jg     L17
  cmp    $0x2a,%eax
  je     L6
  cmp    $0x2b,%eax
  jne    L17
  movss  -0x10(%rbp),%xmm1
  movss  -0xc(%rbp),%xmm0
  addss  %xmm1,%xmm0
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm0,%xmm2
  movq   %xmm2,%rax
  movq   %rax,%xmm0
  lea    D104(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  jmp    L66
L100:
  movss  -0x10(%rbp),%xmm0
  movss  -0xc(%rbp),%xmm1
  subss  %xmm1,%xmm0
  pxor   %xmm3,%xmm3
  cvtss2sd %xmm0,%xmm3
  movq   %xmm3,%rax
  movq   %rax,%xmm0
  lea    D104(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  jmp    L66
L6:
  movss  -0x10(%rbp),%xmm1
  movss  -0xc(%rbp),%xmm0
  mulss  %xmm1,%xmm0
  pxor   %xmm4,%xmm4
  cvtss2sd %xmm0,%xmm4
  movq   %xmm4,%rax
  movq   %rax,%xmm0
  lea    D104(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  jmp    L66
L49:
  movss  -0x10(%rbp),%xmm0
  movss  -0xc(%rbp),%xmm1
  divss  %xmm1,%xmm0
  pxor   %xmm5,%xmm5
  cvtss2sd %xmm0,%xmm5
  movq   %xmm5,%rax
  movq   %rax,%xmm0
  lea    D104(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  jmp    L66
L17:
  lea    D99(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  nop
L66:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L85
  call   <__stack_chk_fail@plt>
L85:
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D20
type_guessed: string
name: read_data
arguments: tag: D8
type_guessed: string
name: read_data
arguments: tag: D90
type_guessed: string
name: read_data
arguments: tag: D49
type_guessed: string
name: read_data
arguments: tag: D97
type_guessed: string
name: read_data
arguments: tag: D104
type_guessed: string
name: read_data
arguments: tag: D99
type_guessed: string

tool: D20: Bitte Zahl 1 eingeben: 

tool: D8: %f

tool: D90: Bitte Zahl 2 eingeben: 

tool: D49: Bitte Operator eingeben: 

tool: D97: %c

tool: D104: 
Resultat: %.2f


tool: D99: 
Fehler, bitte starten sie neu!

assistant: ```c
main() {
  float a, b, result;
  char operator;
  printf("Bitte Zahl 1 eingeben: ");
  scanf("%f", &a);
  printf("Bitte Zahl 2 eingeben: ");
  scanf("%f", &b);
  printf("Bitte Operator eingeben: ");
  scanf("%c", &operator);
  operator= getchar();
  switch (operator) {
  case '+':
    printf("\nResultat: %.2f\n", a + b);
    break;
  case '-':
    printf("\nResultat: %.2f\n", a - b);
    break;
  case '*':
    printf("\nResultat: %.2f\n", a * b);
    break;
  case '/':
    printf("\nResultat: %.2f\n", a / b);
    break;
  default:
    printf("\nFehler, bitte starten sie neu!\n");
    break;
  }
}
```