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   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    $0x0,%eax
  call   <wake@plt>
  movl   $0x2,-0xc(%rbp)
  jmp    L474
L519:
  mov    $0x2,%edi
  call   <clear_motor_position_counter@plt>
  mov    $0x2,%edi
  call   <get_motor_position_counter@plt>
  mov    %eax,-0x8(%rbp)
  cmpl   $0x2,-0xc(%rbp)
  jne    L293
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L498
L606:
  mov    $0x1f4,%edi
  call   <msleep@plt>
L498:
  mov    $0x0,%eax
  call   <a_button@plt>
  test   %eax,%eax
  je     L606
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x5,-0xc(%rbp)
  jmp    L474
L293:
  cmpl   $0x5,-0xc(%rbp)
  jne    L553
  movl   $0x0,-0x4(%rbp)
  mov    $0x0,%eax
  call   <steer_center@plt>
  mov    $0x0,%eax
  call   <drive_forward@plt>
  movl   $0xa,-0xc(%rbp)
  jmp    L474
L553:
  cmpl   $0xa,-0xc(%rbp)
  jne    L171
  mov    $0x0,%eax
  call   <steer_center@plt>
  mov    $0x2,%edi
  call   <detect_straight@plt>
  test   %rax,%rax
  je     L470
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L470:
  mov    $0x2,%edi
  call   <get_motor_position_counter@plt>
  cmp    %eax,-0x8(%rbp)
  jl     L564
  movl   $0x1e,-0xc(%rbp)
  jmp    L474
L564:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L233
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L233
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L233:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L357
  movl   $0xf,-0xc(%rbp)
  jmp    L474
L357:
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L249
  movl   $0x14,-0xc(%rbp)
  jmp    L474
L249:
  movl   $0xa,-0xc(%rbp)
  jmp    L474
L171:
  cmpl   $0x14,-0xc(%rbp)
  jne    L379
  mov    $0x0,%eax
  call   <steer_right@plt>
  mov    $0x2,%edi
  call   <detect_straight@plt>
  test   %rax,%rax
  je     L17
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L17:
  mov    $0x2,%edi
  call   <get_motor_position_counter@plt>
  cmp    %eax,-0x8(%rbp)
  jl     L555
  movl   $0x1e,-0xc(%rbp)
  jmp    L474
L555:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L261
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L261
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L261:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L280
  movl   $0xf,-0xc(%rbp)
  jmp    L474
L280:
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L217
  movl   $0x14,-0xc(%rbp)
  jmp    L474
L217:
  movl   $0xa,-0xc(%rbp)
  jmp    L474
L379:
  cmpl   $0xf,-0xc(%rbp)
  jne    L203
  mov    $0x0,%eax
  call   <steer_left@plt>
  mov    $0x2,%edi
  call   <detect_straight@plt>
  test   %rax,%rax
  je     L24
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L24:
  mov    $0x2,%edi
  call   <get_motor_position_counter@plt>
  cmp    %eax,-0x8(%rbp)
  jl     L370
  movl   $0x1e,-0xc(%rbp)
  jmp    L474
L370:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L373
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L373
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L373:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L164
  movl   $0xf,-0xc(%rbp)
  jmp    L474
L164:
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L377
  movl   $0x14,-0xc(%rbp)
  jmp    L474
L377:
  movl   $0xa,-0xc(%rbp)
  jmp    L474
L203:
  cmpl   $0x19,-0xc(%rbp)
  jne    L335
  movl   $0x0,-0x4(%rbp)
  mov    $0x0,%eax
  call   <drive_stop@plt>
  mov    $0x0,%eax
  call   <rand@plt>
  and    $0x1,%eax
  test   %eax,%eax
  je     L469
  mov    $0x0,%eax
  call   <steer_right@plt>
  jmp    L544
L469:
  mov    $0x0,%eax
  call   <steer_left@plt>
L544:
  mov    $0x0,%eax
  call   <drive_reverse@plt>
  mov    $0x0,%edi
  call   <detect_straight@plt>
  test   %rax,%rax
  jne    L37
  mov    $0x1,%edi
  call   <sleep@plt>
L37:
  mov    $0x0,%edi
  call   <detect_straight@plt>
  test   %rax,%rax
  jne    L215
  mov    $0x1,%edi
  call   <sleep@plt>
L215:
  mov    $0x0,%eax
  call   <drive_stop@plt>
  cmpl   $0x3,-0x4(%rbp)
  jle    L403
  movl   $0x1e,-0xc(%rbp)
  jmp    L474
L403:
  mov    $0x2,%edi
  call   <detect_straight@plt>
  test   %rax,%rax
  je     L113
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L113:
  mov    $0x1,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L463
  mov    $0x3,%edi
  call   <detect_side@plt>
  test   %rax,%rax
  je     L463
  movl   $0x19,-0xc(%rbp)
  jmp    L474
L463:
  movl   $0x5,-0xc(%rbp)
  jmp    L474
L335:
  cmpl   $0x1e,-0xc(%rbp)
  jne    L474
  mov    $0x0,%eax
  call   <drive_stop@plt>
  mov    $0x0,%eax
  call   <steer_center@plt>
  movl   $0x2,-0xc(%rbp)
L474:
  mov    $0x0,%eax
  call   <b_button@plt>
  test   %eax,%eax
  je     L519
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D18
type: string
name: retrieve_data
arguments: tag: D8
type: string

tool: D18: Waiting for A button to go. 


tool: D8: Press B button to stop. 


assistant: ```c
int main() {
  int mpos_count = 0;
  int avoid_count = 0;
  int state = 0;
  wake();
  state = 2;
  while (!b_button()) {
    clear_motor_position_counter(2);
    mpos_count = get_motor_position_counter(2);
    if (2 == state) {
      printf("Waiting for A button to go. \n");
      while (!a_button()) {
        msleep(500);
      }
      printf("Press B button to stop. \n");
      state = 5;
    } else if (5 == state) {
      avoid_count = 0;
      steer_center();
      drive_forward();
      state = 10;
    } else if (10 == state) {
      steer_center();
      if (detect_straight(2)) {
        state = 25;
      } else if (mpos_count >= get_motor_position_counter(2)) {
        state = 30;
      } else if (detect_side(1) && detect_side(3)) {
        state = 25;
      } else if (detect_side(1)) {
        state = 15;
      } else if (detect_side(3)) {
        state = 20;
      } else {
        state = 10;
      }
    } else if (20 == state) {
      steer_right();
      if (detect_straight(2)) {
        state = 25;
      } else if (mpos_count >= get_motor_position_counter(2)) {
        state = 30;
      } else if (detect_side(1) && detect_side(3)) {
        state = 25;
      } else if (detect_side(1)) {
        state = 15;
      } else if (detect_side(3)) {
        state = 20;
      } else {
        state = 10;
      }
    } else if (15 == state) {
      steer_left();
      if (detect_straight(2)) {
        state = 25;
      } else if (mpos_count >= get_motor_position_counter(2)) {
        state = 30;
      } else if (detect_side(1) && detect_side(3)) {
        state = 25;
      } else if (detect_side(1)) {
        state = 15;
      } else if (detect_side(3)) {
        state = 20;
      } else {
        state = 10;
      }
    } else if (25 == state) {
      avoid_count = 0;
      drive_stop();
      if ((rand() % 2)) {
        steer_right();
      } else {
        steer_left();
      }
      drive_reverse();
      if (!detect_straight(0)) {
        sleep(1);
      }
      if (!detect_straight(0)) {
        sleep(1);
      }
      drive_stop();
      if (avoid_count > 3) {
        state = 30;
      } else if (detect_straight(2)) {
        state = 25;
      } else if (detect_side(1) && detect_side(3)) {
        state = 25;
      } else {
        state = 5;
      }
    } else if (30 == state) {
      drive_stop();
      steer_center();
      state = 2;
    }
  }
}
```