user: 这段汇编代码用C语言表示是什么样的?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x14(%rbp),%rax
  mov    %rax,%rsi
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D133(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x15(%rbp),%rax
  mov    %rax,%rsi
  lea    D120(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movzbl -0x15(%rbp),%eax
  cmp    $0x75,%al
  jne    L53
  movss  D40(%rip),%xmm0
  movss  %xmm0,-0x10(%rbp)
  lea    D83(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L79
L53:
  movzbl -0x15(%rbp),%eax
  cmp    $0x67,%al
  jne    L25
  movss  D88(%rip),%xmm0
  movss  %xmm0,-0x10(%rbp)
  lea    D70(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L79
L25:
  movzbl -0x15(%rbp),%eax
  cmp    $0x65,%al
  jne    L95
  movss  D32(%rip),%xmm0
  movss  %xmm0,-0x10(%rbp)
  lea    D79(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L79
L95:
  movzbl -0x15(%rbp),%eax
  cmp    $0x6b,%al
  jne    L48
  movss  D103(%rip),%xmm0
  movss  %xmm0,-0x10(%rbp)
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L79
L48:
  lea    D101(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x0,%eax
  jmp    L87
L79:
  movss  -0x14(%rbp),%xmm0
  divss  -0x10(%rbp),%xmm0
  movss  %xmm0,-0xc(%rbp)
  pxor   %xmm1,%xmm1
  cvtss2sd -0xc(%rbp),%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  lea    D42(%rip),%rax
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <printf@plt>
  mov    $0x0,%eax
L87:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L29
  call   <__stack_chk_fail@plt>
L29:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D14
type: string
name: unpack_data
arguments: label: D28
type: string
name: unpack_data
arguments: label: D133
type: string
name: unpack_data
arguments: label: D120
type: string
name: unpack_data
arguments: label: D40
type: f32
name: unpack_data
arguments: label: D83
type: string
name: unpack_data
arguments: label: D88
type: f32
name: unpack_data
arguments: label: D70
type: string
name: unpack_data
arguments: label: D32
type: f32
name: unpack_data
arguments: label: D79
type: string
name: unpack_data
arguments: label: D103
type: f32
name: unpack_data
arguments: label: D21
type: string
name: unpack_data
arguments: label: D101
type: string
name: unpack_data
arguments: label: D42
type: string

tool: D14:  How many yen?  

tool: D28: %f

tool: D133:  Which currency?  

tool: D120: %*c %c

tool: D40: 90.66

tool: D83: USD = 

tool: D88: 149

tool: D70: GBP = 

tool: D32: 135.43

tool: D79: EUR = 

tool: D103: 0.08

tool: D21: KRW = 

tool: D101:  Unknown.

tool: D42: %.2f


assistant: ```c
int main() {
  char c;
  float yen;
  float answer;
  float cy;
  printf(" How many yen?  ");
  scanf("%f", &yen);
  printf(" Which currency?  ");
  scanf("%*c %c", &c);
  if (c == 'u') {
    cy = 90.66;
    printf("USD = ");
  } else if (c == 'g') {
    cy = 149.00;
    printf("GBP = ");
  } else if (c == 'e') {
    cy = 135.43;
    printf("EUR = ");
  } else if (c == 'k') {
    cy = 0.08;
    printf("KRW = ");
  } else {
    printf(" Unknown.\n");
    return 0;
  }
  answer = (yen / cy);
  printf("%.2f\n", answer);
  return 0;
}
```