user: 下面的汇编指令对应的C源代码是什么:

```asm
<english_compare_natural>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L167
L70:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L227
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L227
  mov    -0x38(%rbp),%rax
  lea    -0x38(%rbp),%rcx
  mov    $0xa,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtoll@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x40(%rbp),%rax
  lea    -0x40(%rbp),%rcx
  mov    $0xa,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtoll@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jle    L144
  mov    $0x1,%eax
  jmp    L59
L144:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jge    L167
  mov    $0xffffffff,%eax
  jmp    L59
L227:
  mov    -0x38(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x38(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  mov    %eax,-0x28(%rbp)
  mov    -0x40(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x40(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  mov    %eax,-0x24(%rbp)
  mov    -0x28(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jle    L124
  mov    $0x1,%eax
  jmp    L59
L124:
  mov    -0x28(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jge    L167
  mov    $0xffffffff,%eax
  jmp    L59
L167:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L74
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L70
L74:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L130
  mov    $0xffffffff,%eax
  jmp    L59
L130:
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L197
  mov    $0x1,%eax
  jmp    L59
L197:
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x40(%rbp)
  jmp    L119
L17:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jle    L216
  mov    $0x1,%eax
  jmp    L59
L216:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jge    L89
  mov    $0xffffffff,%eax
  jmp    L59
L89:
  mov    -0x38(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x40(%rbp)
L119:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L108
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L17
L108:
  mov    $0x0,%eax
L59:
  leave
  ret
```

assistant: ```c
int english_compare_natural(char *a, char *b) {
  char *oa = a;
  char *ob = b;
  while (*a && *b) {
    if (isdigit(*a) && isdigit(*b)) {
      long long num_a = strtoll(a, &a, 10);
      long long num_b = strtoll(b, &b, 10);
      if (num_a > num_b)
        return 1;
      else if (num_a < num_b)
        return -1;
    } else {
      int l_a = tolower(*a++);
      int l_b = tolower(*b++);
      if (l_a > l_b)
        return 1;
      else if (l_a < l_b)
        return -1;
    }
  }
  if (*a)
    return -1;
  if (*b)
    return 1;
  a = oa;
  b = ob;
  while (*a && *b) {
    if (*a > *b)
      return 1;
    else if (*a < *b)
      return -1;
    a++;
    b++;
  }
  return 0;
}
```