user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<moral_regla7>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %edx,%r13d
  mov    %rsi,%rdi
  call   <strlen@plt>
  mov    %rax,%r12
  mov    $0x4,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <memset@plt>
  cmp    $0x2,%r12
  jbe    L26
  test   %r13d,%r13d
  jne    L19
L1:
  movsbl 0x2(%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%r13d
  movsbl 0x1(%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%r12d
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%ecx
  mov    %r13d,%r9d
  mov    %r12d,%r8d
  lea    D42(%rip),%rdx
  mov    $0x4,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
L54:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L19:
  movsbl 0x2(%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%r13d
  movsbl 0x1(%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%r12d
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%edx
  mov    %r13d,%r8d
  mov    %r12d,%ecx
  mov    %rbx,%rsi
  lea    D29(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L1
L26:
  je     L6
  test   %r13d,%r13d
  jne    L71
L24:
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%ecx
  lea    D7(%rip),%rdx
  mov    $0x4,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L54
L6:
  test   %r13d,%r13d
  jne    L65
L35:
  movsbl 0x1(%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%r12d
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%ecx
  mov    %r12d,%r8d
  lea    D18(%rip),%rdx
  mov    $0x4,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L54
L65:
  movsbl 0x1(%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%r12d
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%edx
  mov    %r12d,%ecx
  mov    %rbx,%rsi
  lea    D32(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L35
L71:
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %eax,%edx
  mov    %rbx,%rsi
  lea    D4(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L24
```

tool_calls: name: disassemble_data
arguments: data_label: D42
type_infered: string
name: disassemble_data
arguments: data_label: D29
type_infered: string
name: disassemble_data
arguments: data_label: D7
type_infered: string
name: disassemble_data
arguments: data_label: D18
type_infered: string
name: disassemble_data
arguments: data_label: D32
type_infered: string
name: disassemble_data
arguments: data_label: D4
type_infered: string

tool: D42: %c%c%c

tool: D29: Aplicando regla 7:
	%-20s %c%c%c


tool: D7: %cXX

tool: D18: %c%cX

tool: D32: Aplicando regla 7, y regla 8 (agregando una X al final de la clave):
	%-20s %c%c


tool: D4: Aplicando regla 7, y regla 8 (agregando dos letras X al final de la clave):
	%-20s %c


assistant: ```c
char *moral_regla7(char *result, const char *palabra, const int verbose) {
  const size_t len = strlen(palabra);
  memset(result, 0, 4);
  if (len >= 3) {
    if (verbose)
      printf("Aplicando regla 7:\n\t%-20s %c%c%c\n", palabra, toupper(*palabra), toupper(*(palabra + 1)), toupper(*(palabra + 2)));
    snprintf(result, 4, "%c%c%c", toupper(*palabra), toupper(*(palabra + 1)), toupper(*(palabra + 2)));
  } else if (len == 2) {
    if (verbose)
      printf("Aplicando regla 7, y regla 8 (agregando una X al final de la clave):\n\t%-20s %c%c\n", palabra, toupper(*palabra), toupper(*(palabra + 1)));
    snprintf(result, 4, "%c%cX", toupper(*palabra), toupper(*(palabra + 1)));
  } else {
    if (verbose)
      printf("Aplicando regla 7, y regla 8 (agregando dos letras X al final de la clave):\n\t%-20s %c\n", palabra, toupper(*palabra));
    snprintf(result, 4, "%cXX", toupper(*palabra));
  }
  return result;
}
```