user: 这段汇编代码用C语言表示是什么样的？

```asm
<__cl_printf>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rdi,%rsi
  mov    $0x0,%edi
  call   <va_start@plt>
  movzbl (%rbx),%eax
  mov    %al,0xf(%rsp)
  test   %al,%al
  je     L40
  lea    D14(%rip),%rbp
  lea    D11(%rip),%r14
  lea    D15(%rip),%r13
  lea    D37(%rip),%r12
  jmp    L66
L142:
  lea    0x10(%rsp),%rsi
  lea    D10(%rip),%rdi
  call   <vprintf@plt>
  movzbl 0x2(%rbx),%eax
  lea    0x2(%rbx),%rbx
  jmp    L73
L34:
  cmp    $0x73,%al
  jne    L55
  lea    0x10(%rsp),%r15
  mov    $0x2,%edx
  mov    %r15,%rsi
  mov    $0x0,%edi
  call   <__cl_va_arg@plt>
  mov    %r15,%rsi
  mov    %r13,%rdi
  call   <vprintf@plt>
  jmp    L144
L159:
  lea    0x10(%rsp),%r15
  mov    $0x1,%edx
  mov    %r15,%rsi
  mov    $0x0,%edi
  call   <__cl_va_arg@plt>
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <vprintf@plt>
L144:
  movzbl 0x2(%rbx),%eax
  lea    0x2(%rbx),%rbx
  jmp    L73
L169:
  lea    0x10(%rsp),%r15
  mov    $0x2,%edx
  mov    %r15,%rsi
  mov    $0x0,%edi
  call   <__cl_va_arg@plt>
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <vprintf@plt>
  jmp    L144
L55:
  mov    $0x0,%edi
  call   <va_end@plt>
  lea    0xf(%rsp),%rsi
  lea    D33(%rip),%rdi
  call   <vprintf@plt>
  mov    $0xffffffff,%eax
L138:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L102
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L8:
  lea    0xf(%rsp),%rsi
  mov    %rbp,%rdi
  call   <vprintf@plt>
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rbx
L73:
  mov    %al,0xf(%rsp)
  test   %al,%al
  je     L40
L66:
  cmp    $0x25,%al
  jne    L8
  movzbl 0x1(%rbx),%eax
  mov    %al,0xf(%rsp)
  cmp    $0x25,%al
  je     L142
  cmp    $0x66,%al
  je     L169
  jg     L34
  cmp    $0x63,%al
  je     L159
  cmp    $0x64,%al
  jne    L55
  lea    0x10(%rsp),%r15
  mov    $0x1,%edx
  mov    %r15,%rsi
  mov    $0x0,%edi
  call   <__cl_va_arg@plt>
  mov    %r15,%rsi
  mov    %r12,%rdi
  call   <vprintf@plt>
  jmp    L144
L40:
  mov    $0x0,%edi
  call   <va_end@plt>
  mov    $0x0,%eax
  jmp    L138
L102:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D14
type_guessed: string
name: read_data
arguments: data_tag: D11
type_guessed: string
name: read_data
arguments: data_tag: D15
type_guessed: string
name: read_data
arguments: data_tag: D37
type_guessed: string
name: read_data
arguments: data_tag: D10
type_guessed: string
name: read_data
arguments: data_tag: D33
type_guessed: string

tool: D14: %c

tool: D11: %lf

tool: D15: %s

tool: D37: %d

tool: D10: %%

tool: D33: (printf format string error)

assistant: ```c
int __cl_printf(__attribute__((address_space(4))) char *restrict format, ...) {
  char arg_data[8];
  va_list ap;
  va_start(ap, format);
  char ch = *format;
  while (ch) {
    if (ch == '%') {
      ch = *++format;
      if (ch == '%') {
        vprintf("%%", arg_data);
        ch = *++format;
      } else {
        switch (ch) {
        case 'c': {
          __cl_va_arg(ap, arg_data, 1);
          vprintf("%c", arg_data);
          break;
        }
        case 'd': {
          __cl_va_arg(ap, arg_data, 1);
          vprintf("%d", arg_data);
          break;
        }
        case 'f': {
          __cl_va_arg(ap, arg_data, 2);
          vprintf("%lf", arg_data);
          break;
        }
        case 's': {
          __cl_va_arg(ap, arg_data, 2);
          vprintf("%s", arg_data);
          break;
        }
        default:
          goto error;
        }
        ch = *++format;
      }
    } else {
      vprintf("%c", &ch);
      ch = *++format;
    }
  }
  va_end(ap);
  return 0;
error:
  va_end(ap);
  vprintf("(printf format string error)", &ch);
  return -1;
}
```