user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xc0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xb8(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rsi
  lea    D21(%rip),%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%edi
  test   %edi,%edi
  je     L34
  add    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  mov    %rbp,%rsi
  lea    D28(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  jle    L67
  mov    $0x0,%edx
L38:
  cltq
  sub    $0x1,%rax
  sub    %rdx,%rax
  movzbl 0x0(%rbp,%rax,1),%eax
  mov    %al,(%rbx,%rdx,1)
  mov    0xc(%rsp),%eax
  add    $0x1,%rdx
  cmp    %edx,%eax
  jg     L38
L67:
  mov    0xc(%rsp),%eax
  cmp    $0x1,%eax
  jle    L45
  mov    $0x0,%r12d
L5:
  movsbl 0x0(%rbp),%esi
  add    $0x1,%rbp
  movsbl 0x0(%rbp),%edi
  call   <mod_of_diff@plt>
  mov    %eax,0x10(%rsp,%r12,4)
  mov    0xc(%rsp),%eax
  sub    $0x1,%eax
  add    $0x1,%r12
  cmp    %r12d,%eax
  jg     L5
  test   %eax,%eax
  jle    L156
  mov    $0x0,%ebp
L56:
  movsbl (%rbx),%esi
  add    $0x1,%rbx
  movsbl (%rbx),%edi
  call   <mod_of_diff@plt>
  mov    %eax,0x60(%rsp,%rbp,4)
  mov    0xc(%rsp),%edx
  lea    -0x1(%rdx),%eax
  add    $0x1,%rbp
  cmp    %ebp,%eax
  jg     L56
  test   %eax,%eax
  jle    L147
  lea    -0x1(%rdx),%esi
  mov    $0x0,%edx
  mov    $0x0,%edi
  lea    0x60(%rsp),%rcx
  jmp    L92
L34:
  lea    D8(%rip),%rdi
  call   <printf@plt>
  jmp    L139
L14:
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  je     L166
L92:
  mov    (%rcx,%rdx,4),%ebx
  cmp    %ebx,0x10(%rsp,%rdx,4)
  jne    L14
  add    $0x1,%edi
  jmp    L14
L147:
  mov    $0x0,%edi
  jmp    L166
L59:
  lea    D8(%rip),%rdi
  call   <printf@plt>
  jmp    L139
L45:
  sub    $0x1,%eax
L156:
  mov    $0x0,%edi
L166:
  cmp    %edi,%eax
  je     L59
  lea    D24(%rip),%rdi
  call   <printf@plt>
L139:
  mov    0xb8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L127
  mov    $0x0,%eax
  add    $0xc0,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L127:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D21
type_infered: string
name: retrieve_data
arguments: label: D28
type_infered: string
name: retrieve_data
arguments: label: D8
type_infered: string
name: retrieve_data
arguments: label: D24
type_infered: string

tool: D21: %d

tool: D28: 
%s

tool: D8: Good String

tool: D24: Not Good String

assistant: ```c
int main() {
  int n, a[20], b[20], i, count = 0;
  char *s1, *s2;
  scanf("%d", &n);
  if (n == 0) {
    printf("Good String");
    return 0;
  }
  s1 = (char *)malloc((n + 1) * sizeof(char));
  s2 = (char *)malloc((n + 1) * sizeof(char));
  scanf("\n%s", s1);
  for (i = 0; i < n; i++) {
    *(s2 + i) = *(s1 + n - 1 - i);
  }
  for (i = 0; i < n - 1; i++) {
    a[i] = mod_of_diff(*(s1 + i + 1), *(s1 + i));
  }
  for (i = 0; i < n - 1; i++) {
    b[i] = mod_of_diff(*(s2 + i + 1), *(s2 + i));
  }
  for (i = 0; i < n - 1; i++) {
    if (a[i] == b[i])
      count++;
  }
  if (count == n - 1)
    printf("Good String");
  else
    printf("Not Good String");
  return 0;
}
```