user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    D52(%rip),%rdi
  call   <ece453_reg_read@plt>
  mov    %eax,%ebp
  cmp    $0xffffffff,%eax
  je     L124
  mov    %eax,%esi
  lea    D110(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1,%esi
  lea    D2(%rip),%rdi
  call   <ece453_reg_write@plt>
  mov    %eax,%ebp
  cmp    $0xffffffff,%eax
  je     L1
  lea    D99(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D89(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%r12d
  lea    D9(%rip),%r13
  lea    D2(%rip),%r14
  mov    $0x9,%r15d
  jmp    L47
L124:
  lea    D103(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L21
L1:
  lea    D67(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L21
L137:
  lea    D120(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebx,%ebp
L123:
  mov    $0x0,%esi
  lea    D2(%rip),%rdi
  call   <ece453_reg_write@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L9
L21:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L27:
  test   $0x4,%bh
  jne    L47
  lea    -0x1(%r12),%eax
  test   %r12d,%r12d
  cmove  %r15d,%eax
  mov    %eax,%r12d
L68:
  mov    $0x1,%esi
  mov    %r12d,%ecx
  shl    %cl,%esi
  mov    %r14,%rdi
  call   <ece453_reg_write@plt>
  mov    %eax,%ebp
  cmp    $0xffffffff,%eax
  je     L40
L47:
  mov    $0x1,%edi
  call   <sleep@plt>
  mov    %r13,%rdi
  call   <ece453_reg_read@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L137
  mov    %eax,%ebp
  and    $0x1000,%ebp
  je     L123
  and    $0x800,%eax
  jne    L27
  lea    0x1(%r12),%edx
  cmp    $0x9,%r12d
  cmovne %edx,%eax
  mov    %eax,%r12d
  jmp    L68
L40:
  lea    D67(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L123
L9:
  lea    D67(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebx,%ebp
  jmp    L21
```

tool_calls: name: parse_data
arguments: tag: D52
datatype: string
name: parse_data
arguments: tag: D110
datatype: string
name: parse_data
arguments: tag: D2
datatype: string
name: parse_data
arguments: tag: D99
datatype: string
name: parse_data
arguments: tag: D89
datatype: string
name: parse_data
arguments: tag: D9
datatype: string
name: parse_data
arguments: tag: D103
datatype: string
name: parse_data
arguments: tag: D67
datatype: string
name: parse_data
arguments: tag: D120
datatype: string

tool: D52: /sys/kernel/ece453/device_id

tool: D110: DEV_ID: 0x%08X


tool: D2: /sys/kernel/ece453/gpio_out

tool: D99: Press KEY[0] to move right or KEY[1] to move left.


tool: D89: Press KEY[2] to exit.


tool: D9: /sys/kernel/ece453/gpio_in

tool: D103: Error Reading DEV_ID


tool: D67: Error Writing GPIO OUT


tool: D120: Error Reading GPIO IN


assistant: ```c
int main(int argc, char *argv[]) {
  int button_vals = 0;
  int curr_led = 0;
  int status = 0;
  bool changed = false;
  status = ece453_reg_read("/sys/kernel/ece453/device_id");
  if (status == -1) {
    printf("Error Reading DEV_ID\n\r");
    return -1;
  }
  printf("DEV_ID: 0x%08X\n\r", status);
  status = ece453_reg_write("/sys/kernel/ece453/gpio_out", 1);
  if (status == -1) {
    printf("Error Writing GPIO OUT\n\r");
    return -1;
  }
  printf("Press KEY[0] to move right or KEY[1] to move left.\n\r");
  printf("Press KEY[2] to exit.\n\r");
  while (true) {
    sleep(1);
    button_vals = ece453_reg_read("/sys/kernel/ece453/gpio_in");
    if (button_vals == -1) {
      printf("Error Reading GPIO IN\n\r");
      status = -1;
      break;
    }
    if ((button_vals & (1 << (10 + 2))) == 0) {
      status = 0;
      break;
    }
    if ((button_vals & (1 << (10 + 1))) == 0) {
      curr_led = (curr_led == 9) ? 0 : curr_led + 1;
      changed = true;
    } else if ((button_vals & (1 << (10 + 0))) == 0) {
      curr_led = (curr_led == 0) ? 9 : curr_led - 1;
      changed = true;
    }
    if (changed) {
      changed = false;
      status = ece453_reg_write("/sys/kernel/ece453/gpio_out", 1 << curr_led);
      if (status == -1) {
        printf("Error Writing GPIO OUT\n\r");
        break;
      }
    }
  }
  if (ece453_reg_write("/sys/kernel/ece453/gpio_out", 0) == -1) {
    printf("Error Writing GPIO OUT\n\r");
    status = -1;
  }
  return status;
}
```