user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  sub    $0xc8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xb8(%rsp)
  xor    %eax,%eax
  movl   $0x1f,0x10(%rsp)
  movl   $0x1c,0x14(%rsp)
  movl   $0x1f,0x18(%rsp)
  movl   $0x1e,0x1c(%rsp)
  movl   $0x1f,0x20(%rsp)
  movl   $0x1e,0x24(%rsp)
  movl   $0x1f,0x28(%rsp)
  movl   $0x1f,0x2c(%rsp)
  movl   $0x1e,0x30(%rsp)
  movl   $0x1f,0x34(%rsp)
  movl   $0x1e,0x38(%rsp)
  movl   $0x1f,0x3c(%rsp)
  lea    D28(%rip),%rdi
  call   <system@plt>
  lea    0x40(%rsp),%rdi
  lea    D61(%rip),%rsi
  call   <strcpy@plt>
  lea    0x4f(%rsp),%rdi
  lea    D73(%rip),%rsi
  call   <strcpy@plt>
  lea    0x5e(%rsp),%rdi
  lea    D89(%rip),%rsi
  call   <strcpy@plt>
  lea    0x6d(%rsp),%rdi
  lea    D69(%rip),%rsi
  call   <strcpy@plt>
  lea    0x7c(%rsp),%rdi
  lea    D34(%rip),%rsi
  call   <strcpy@plt>
  lea    0x8b(%rsp),%rdi
  lea    D68(%rip),%rsi
  call   <strcpy@plt>
  lea    0x9a(%rsp),%rdi
  lea    D105(%rip),%rsi
  call   <strcpy@plt>
  lea    D51(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  lea    0x4(%rsp),%rsi
  lea    D81(%rip),%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%ecx
  movslq %ecx,%rax
  imul   $0x51eb851f,%rax,%rax
  mov    %rax,%rdi
  sar    $0x25,%rdi
  mov    %rdi,%rdx
  mov    %ecx,%edi
  sar    $0x1f,%edi
  sub    %edi,%edx
  imul   $0x64,%edx,%edx
  mov    %ecx,%esi
  sub    %edx,%esi
  sar    $0x27,%rax
  sub    %edi,%eax
  imul   $0x190,%eax,%eax
  mov    %ecx,%edx
  sub    %eax,%edx
  mov    %esi,%eax
  or     %edx,%eax
  mov    %ecx,%edx
  and    $0x3,%edx
  or     %edx,%eax
  jne    L45
  movl   $0x1d,0x14(%rsp)
L45:
  mov    0x8(%rsp),%edx
  cmp    $0x1,%edx
  jle    L49
  lea    0x10(%rsp),%rax
  lea    -0x2(%rdx),%edx
  lea    0x14(%rsp,%rdx,4),%rsi
  mov    $0x0,%edx
L46:
  add    (%rax),%edx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L46
L38:
  mov    %ecx,%esi
  add    0x4(%rsp),%esi
  lea    0x3(%rcx),%eax
  test   %ecx,%ecx
  cmovns %ecx,%eax
  sar    $0x2,%eax
  lea    -0x2(%rsi,%rax,1),%eax
  add    %eax,%edx
  movslq %edx,%rax
  imul   $0xffffffff92492493,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0x2,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  lea    0x0(,%rax,8),%ecx
  sub    %eax,%ecx
  sub    %ecx,%edx
  movslq %edx,%rdx
  mov    %rdx,%rax
  shl    $0x4,%rax
  sub    %rdx,%rax
  lea    0x40(%rsp,%rax,1),%rsi
  lea    D106(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0xb8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  mov    $0x0,%eax
  add    $0xc8,%rsp
  ret
L49:
  mov    $0x0,%edx
  jmp    L38
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D28
type_infered: string
name: retrieve_data
arguments: data_label: D61
type_infered: string
name: retrieve_data
arguments: data_label: D73
type_infered: string
name: retrieve_data
arguments: data_label: D89
type_infered: string
name: retrieve_data
arguments: data_label: D69
type_infered: string
name: retrieve_data
arguments: data_label: D34
type_infered: string
name: retrieve_data
arguments: data_label: D68
type_infered: string
name: retrieve_data
arguments: data_label: D105
type_infered: string
name: retrieve_data
arguments: data_label: D51
type_infered: string
name: retrieve_data
arguments: data_label: D81
type_infered: string
name: retrieve_data
arguments: data_label: D106
type_infered: string

tool: D28: clear

tool: D61: Sunday

tool: D73: Monday

tool: D89: Tuesday

tool: D69: Wednesday

tool: D34: Thursday

tool: D68: Friday

tool: D105: Saturday

tool: D51: Enter a valid date (dd/mm/yyyy) : 

tool: D81: %d / %d / %d

tool: D106: 
The day is : %s

assistant: ```c
int main() {
  int month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
  char week[7][15];
  int date, mon, year, i, r, s = 0;
  system("clear");
  strcpy(week[0], "Sunday");
  strcpy(week[1], "Monday");
  strcpy(week[2], "Tuesday");
  strcpy(week[3], "Wednesday");
  strcpy(week[4], "Thursday");
  strcpy(week[5], "Friday");
  strcpy(week[6], "Saturday");
  printf("Enter a valid date (dd/mm/yyyy) : ");
  scanf("%d / %d / %d", &date, &mon, &year);
  if (year % 4 == 0) {
    if (year % 100 == 0) {
      if (year % 400 == 0) {
        month[1] = 29;
      }
    }
  }
  for (i = 0; i < mon - 1; i++)
    s = s + month[i];
  s = s + (date + year + (year / 4) - 2);
  s = s % 7;
  printf("\nThe day is : %s", week[s]);
}
```