user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r13
  lea    D34(%rip),%rdi
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xc8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xb8(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rsi
  call   <scanf@plt>
  mov    0xc(%rsp),%edi
  test   %edi,%edi
  je     L77
  add    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rbp,%rsi
  lea    D33(%rip),%rdi
  mov    %rax,%rbx
  xor    %eax,%eax
  call   <scanf@plt>
  movslq 0xc(%rsp),%rdx
  xor    %eax,%eax
  test   %edx,%edx
  jle    L203
  nopw   0x0(%rax,%rax,1)
L228:
  sub    $0x1,%rdx
  sub    %rax,%rdx
  movzbl 0x0(%rbp,%rdx,1),%edx
  mov    %dl,(%rbx,%rax,1)
  movslq 0xc(%rsp),%rdx
  add    $0x1,%rax
  cmp    %eax,%edx
  jg     L228
L203:
  xor    %r12d,%r12d
  lea    0x10(%rsp),%r13
  cmp    $0x1,%edx
  jle    L61
  nopl   (%rax)
L186:
  movsbl 0x0(%rbp),%esi
  movsbl 0x1(%rbp),%edi
  add    $0x1,%rbp
  call   <mod_of_diff@plt>
  mov    %eax,0x0(%r13,%r12,4)
  mov    0xc(%rsp),%eax
  add    $0x1,%r12
  lea    -0x1(%rax),%edx
  cmp    %r12d,%edx
  jg     L186
  test   %edx,%edx
  jle    L81
  xor    %ebp,%ebp
  lea    0x60(%rsp),%r12
  nopl   (%rax)
L176:
  movsbl (%rbx),%esi
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  call   <mod_of_diff@plt>
  mov    %eax,(%r12,%rbp,4)
  mov    0xc(%rsp),%eax
  add    $0x1,%rbp
  lea    -0x1(%rax),%edx
  cmp    %ebp,%edx
  jg     L176
  test   %edx,%edx
  jle    L81
  sub    $0x2,%eax
  cmp    $0x2,%eax
  jbe    L215
  movdqa 0x10(%rsp),%xmm0
  mov    %edx,%eax
  shr    $0x2,%eax
  pcmpeqd 0x60(%rsp),%xmm0
  pand   D12(%rip),%xmm0
  cmp    $0x1,%eax
  je     L125
  movdqa 0x20(%rsp),%xmm1
  pcmpeqd 0x70(%rsp),%xmm1
  psubd  %xmm1,%xmm0
  cmp    $0x2,%eax
  je     L125
  movdqa 0x30(%rsp),%xmm1
  pcmpeqd 0x80(%rsp),%xmm1
  psubd  %xmm1,%xmm0
  cmp    $0x3,%eax
  je     L125
  movdqa 0x40(%rsp),%xmm1
  pcmpeqd 0x90(%rsp),%xmm1
  psubd  %xmm1,%xmm0
  cmp    $0x5,%eax
  jne    L125
  movdqa 0xa0(%rsp),%xmm1
  pcmpeqd 0x50(%rsp),%xmm1
  psubd  %xmm1,%xmm0
L125:
  movdqa %xmm0,%xmm1
  mov    %edx,%ecx
  psrldq $0x8,%xmm1
  and    $0xfffffffc,%ecx
  paddd  %xmm1,%xmm0
  movdqa %xmm0,%xmm1
  psrldq $0x4,%xmm1
  paddd  %xmm1,%xmm0
  movd   %xmm0,%eax
  test   $0x3,%dl
  je     L107
L35:
  movslq %ecx,%rsi
  mov    0x10(%rsp,%rsi,4),%ebx
  cmp    %ebx,0x60(%rsp,%rsi,4)
  jne    L147
  add    $0x1,%eax
L147:
  lea    0x1(%rcx),%esi
  cmp    %esi,%edx
  jle    L107
  movslq %esi,%rsi
  mov    0x10(%rsp,%rsi,4),%ebx
  cmp    %ebx,0x60(%rsp,%rsi,4)
  jne    L95
  add    $0x1,%eax
L95:
  add    $0x2,%ecx
  cmp    %ecx,%edx
  jle    L107
  movslq %ecx,%rcx
  mov    0x10(%rsp,%rcx,4),%ebx
  cmp    %ebx,0x60(%rsp,%rcx,4)
  je     L156
L107:
  cmp    %eax,%edx
  je     L77
  lea    D17(%rip),%rdi
  call   <printf@plt>
  jmp    L38
L77:
  lea    D38(%rip),%rdi
  call   <printf@plt>
L38:
  mov    0xb8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L226
  add    $0xc8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L156:
  add    $0x1,%eax
  jmp    L107
L61:
  sub    $0x1,%edx
L81:
  xor    %eax,%eax
  jmp    L107
L215:
  xor    %eax,%eax
  xor    %ecx,%ecx
  jmp    L35
L226:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D34
type_guessed: string
name: retrieve_data
arguments: tag: D33
type_guessed: string
name: retrieve_data
arguments: tag: D12
type_guessed: byte[16]
name: retrieve_data
arguments: tag: D17
type_guessed: string
name: retrieve_data
arguments: tag: D38
type_guessed: string

tool: D34: %d

tool: D33: 
%s

tool: {"D12": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

tool: D17: Not Good String

tool: D38: 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;
}
```