user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r13
  lea    D69(%rip),%rdi
  push   %r12
  push   %rbp
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  lea    0xf(%rsp),%r12
  lea    0xb(%rsp),%rbp
  movabs $0x65706f6c65746e41,%rax
  movl   $0x746163,0xb(%rsp)
  movl   $0x474f44,0xf(%rsp)
  movl   $0x776f63,0x13(%rsp)
  mov    %rax,0x17(%rsp)
  movb   $0x0,0x1f(%rsp)
  call   <puts@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcasecmp@plt>
  test   %rax,%rax
  js     L31
L27:
  lea    0x13(%rsp),%r13
  mov    %r12,%rdi
  mov    %r13,%rsi
  call   <strcasecmp@plt>
  test   %rax,%rax
  jle    L77
  mov    %r13,%rdx
  mov    %r12,%rsi
  lea    D53(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L77:
  lea    0x17(%rsp),%r12
  mov    %rbp,%rdi
  mov    %r12,%rsi
  call   <strcasecmp@plt>
  test   %rax,%rax
  jle    L103
  mov    %r12,%rdx
  mov    %rbp,%rsi
  lea    D53(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L103:
  lea    D6(%rip),%rsi
  mov    %r13,%rdi
  call   <strcasecmp@plt>
  test   %rax,%rax
  je     L82
L17:
  lea    D1(%rip),%rdi
  xor    %eax,%eax
  lea    0x20(%rsp),%rbp
  lea    D31(%rip),%r13
  lea    0x40(%rsp),%r12
  call   <printf@plt>
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  lea    D26(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcasecmp@plt>
  test   %rax,%rax
  js     L67
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcasecmp@plt>
  test   %rax,%rax
  je     L56
  mov    %r12,%rdx
  mov    %rbp,%rsi
  lea    D96(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
L84:
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L57
  add    $0x70,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L56:
  lea    D105(%rip),%rdi
  call   <puts@plt>
  jmp    L84
L67:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  lea    D34(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L84
L82:
  lea    D102(%rip),%rdi
  call   <puts@plt>
  jmp    L17
L31:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  lea    D50(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L27
L57:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D69
type_guessed: string
name: read_data
arguments: data_label: D53
type_guessed: string
name: read_data
arguments: data_label: D6
type_guessed: string
name: read_data
arguments: data_label: D1
type_guessed: string
name: read_data
arguments: data_label: D31
type_guessed: string
name: read_data
arguments: data_label: D26
type_guessed: string
name: read_data
arguments: data_label: D96
type_guessed: string
name: read_data
arguments: data_label: D105
type_guessed: string
name: read_data
arguments: data_label: D34
type_guessed: string
name: read_data
arguments: data_label: D102
type_guessed: string
name: read_data
arguments: data_label: D50
type_guessed: string

tool: D69: strcasecmp() Examples


tool: D53: %s appears after %s.



tool: D6: cow

tool: D1: Enter first name (no spaces): 

tool: D31: %s

tool: D26: Enter second name (no spaces): 

tool: D96: '%s' appears after '%s'.



tool: D105: These strings are the same.


tool: D34: '%s' appears before '%s'.



tool: D102: These two strings are the same.


tool: D50: %s appears before %s.



assistant: ```c
int main() {
  char str1[] = "cat", str2[] = "DOG", str3[] = "cow", str4[] = "Antelope";
  char name1[30 + 1], name2[30 + 1];
  printf("strcasecmp() Examples\n\n");
  if (strcasecmp(str1, str2) < 0)
    printf("%s appears before %s.\n\n", str1, str2);
  if (strcasecmp(str2, str3) > 0)
    printf("%s appears after %s.\n\n", str2, str3);
  if (strcasecmp(str1, str4) > 0)
    printf("%s appears after %s.\n\n", str1, str4);
  if (strcasecmp(str3, "cow") == 0)
    printf("These two strings are the same.\n\n");
  printf("Enter first name (no spaces): ");
  scanf("%s", name1);
  printf("Enter second name (no spaces): ");
  scanf("%s", name2);
  if (strcasecmp(name1, name2) < 0)
    printf("'%s' appears before '%s'.\n\n", name1, name2);
  else if (strcasecmp(name1, name2) == 0)
    printf("These strings are the same.\n\n");
  else
    printf("'%s' appears after '%s'.\n\n", name1, name2);
  return 0;
}
```