user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmp    $0x4,%edi
  je     L6
  lea    D47(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
L63:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L6:
  mov    %rsi,%rbx
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    0x10(%rbx),%rax
  cmpb   $0x2b,(%rax)
  je     L73
L18:
  cmpb   $0x2d,(%rax)
  je     L53
L16:
  cmpb   $0x78,(%rax)
  je     L4
L89:
  cmpb   $0x2f,(%rax)
  je     L70
L86:
  mov    $0xa,%edi
  call   <putchar@plt>
  xor    %eax,%eax
  jmp    L63
L70:
  mov    0x18(%rbx),%rdi
  call   <atoi@plt>
  test   %eax,%eax
  je     L80
  mov    0x8(%rbx),%rdi
  call   <atoi@plt>
  mov    0x18(%rbx),%rdi
  mov    %eax,%ebp
  call   <atoi@plt>
  mov    0x18(%rbx),%rcx
  mov    0x8(%rbx),%rsi
  lea    D23(%rip),%rdi
  mov    %eax,%r8d
  mov    %ebp,%eax
  cltd
  idiv   %r8d
  mov    %eax,%r8d
  mov    0x10(%rbx),%rax
  movsbl (%rax),%edx
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L86
L4:
  mov    0x8(%rbx),%rdi
  call   <atoi@plt>
  mov    0x18(%rbx),%rdi
  mov    %eax,%ebp
  call   <atoi@plt>
  mov    0x10(%rbx),%rdx
  mov    %ebp,%r8d
  mov    0x18(%rbx),%rcx
  imul   %eax,%r8d
  mov    0x8(%rbx),%rsi
  lea    D23(%rip),%rdi
  xor    %eax,%eax
  movsbl (%rdx),%edx
  call   <printf@plt>
  mov    0x10(%rbx),%rax
  jmp    L89
L53:
  mov    0x8(%rbx),%rdi
  call   <atoi@plt>
  mov    0x18(%rbx),%rdi
  mov    %eax,%ebp
  call   <atoi@plt>
  mov    0x10(%rbx),%rdx
  mov    0x18(%rbx),%rcx
  mov    %ebp,%r8d
  mov    0x8(%rbx),%rsi
  sub    %eax,%r8d
  lea    D23(%rip),%rdi
  xor    %eax,%eax
  movsbl (%rdx),%edx
  call   <printf@plt>
  mov    0x10(%rbx),%rax
  jmp    L16
L73:
  mov    0x8(%rbx),%rdi
  call   <atoi@plt>
  mov    0x18(%rbx),%rdi
  mov    %eax,%ebp
  call   <atoi@plt>
  mov    0x10(%rbx),%rdx
  mov    0x18(%rbx),%rcx
  lea    D23(%rip),%rdi
  mov    0x8(%rbx),%rsi
  lea    0x0(%rbp,%rax,1),%r8d
  xor    %eax,%eax
  movsbl (%rdx),%edx
  call   <printf@plt>
  mov    0x10(%rbx),%rax
  jmp    L18
L80:
  lea    D30(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L63
```

tool_calls: name: read_data
arguments: data_tag: D47
data_type: string
name: read_data
arguments: data_tag: D23
data_type: string
name: read_data
arguments: data_tag: D30
data_type: string

tool: D47: Operators: +, -, x, / 
Usage: number1 operator number2

tool: D23: %s %c %s = %d

tool: D30: Cannot divide by 0.

assistant: ```c
int main(int argc, char *argv[]) {
  if (argc != 4)
    printf("Operators: +, -, x, / \nUsage: number1 operator number2\n");
  else {
    printf("\n");
    if (*argv[2] == '+')
      printf("%s %c %s = %d", argv[1], *argv[2], argv[3], atoi(argv[1]) + atoi(argv[3]));
    if (*argv[2] == '-')
      printf("%s %c %s = %d", argv[1], *argv[2], argv[3], atoi(argv[1]) - atoi(argv[3]));
    if (*argv[2] == 'x')
      printf("%s %c %s = %d", argv[1], *argv[2], argv[3], atoi(argv[1]) * atoi(argv[3]));
    if (*argv[2] == '/') {
      if (atoi(argv[3]) == 0) {
        printf("Cannot divide by 0.");
        return 1;
      } else
        printf("%s %c %s = %d", argv[1], *argv[2], argv[3], atoi(argv[1]) / atoi(argv[3]));
    }
    printf("\n");
  }
  return 0;
}
```