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
  add    $0xffffffffffffff80,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x6c(%rbp)
  movl   $0x0,-0x68(%rbp)
  movb   $0x41,-0x76(%rbp)
  movb   $0x1,-0x75(%rbp)
  movl   $0x0,-0x6c(%rbp)
  jmp    L18
L12:
  mov    -0x6c(%rbp),%eax
  cltq
  movb   $0x20,-0x60(%rbp,%rax,1)
  addl   $0x1,-0x6c(%rbp)
L18:
  cmpl   $0x50,-0x6c(%rbp)
  jle    L12
  movb   $0x0,-0x10(%rbp)
  movb   $0xa,-0x11(%rbp)
  movb   $0x7c,-0x12(%rbp)
  movb   $0x7c,-0x5f(%rbp)
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <ece391_open@plt>
  mov    %eax,-0x64(%rbp)
  movl   $0x20,-0x74(%rbp)
  lea    -0x74(%rbp),%rcx
  mov    -0x64(%rbp),%eax
  mov    $0x4,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <ece391_write@plt>
  mov    %eax,-0x74(%rbp)
L94:
  movl   $0x2,-0x68(%rbp)
  jmp    L106
L25:
  movl   $0x2,-0x6c(%rbp)
  jmp    L6
L81:
  mov    -0x6c(%rbp),%eax
  cltq
  movb   $0x20,-0x60(%rbp,%rax,1)
  addl   $0x1,-0x6c(%rbp)
L6:
  cmpl   $0x4d,-0x6c(%rbp)
  jle    L81
  mov    -0x68(%rbp),%eax
  cltq
  movzbl -0x76(%rbp),%edx
  mov    %dl,-0x60(%rbp,%rax,1)
  lea    -0x60(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <ece391_fdputs@plt>
  lea    -0x70(%rbp),%rcx
  mov    -0x64(%rbp),%eax
  mov    $0x4,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <ece391_read@plt>
  addl   $0x1,-0x68(%rbp)
L106:
  cmpl   $0x4d,-0x68(%rbp)
  jle    L25
  movl   $0x4d,-0x68(%rbp)
  jmp    L48
L13:
  movl   $0x2,-0x6c(%rbp)
  jmp    L28
L69:
  mov    -0x6c(%rbp),%eax
  cltq
  movb   $0x20,-0x60(%rbp,%rax,1)
  addl   $0x1,-0x6c(%rbp)
L28:
  cmpl   $0x4d,-0x6c(%rbp)
  jle    L69
  mov    -0x68(%rbp),%eax
  cltq
  movzbl -0x76(%rbp),%edx
  mov    %dl,-0x60(%rbp,%rax,1)
  lea    -0x60(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <ece391_fdputs@plt>
  lea    -0x70(%rbp),%rcx
  mov    -0x64(%rbp),%eax
  mov    $0x4,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <ece391_read@plt>
  subl   $0x1,-0x68(%rbp)
L48:
  cmpl   $0x1,-0x68(%rbp)
  jg     L13
  cmpb   $0x5a,-0x76(%rbp)
  jne    L14
  movb   $0x41,-0x76(%rbp)
  jmp    L94
L14:
  movzbl -0x76(%rbp),%edx
  movzbl -0x75(%rbp),%eax
  add    %edx,%eax
  mov    %al,-0x76(%rbp)
  jmp    L94
```

tool_calls: name: retrieve_data
arguments: tag: D3
data_type: string

tool: D3: rtc

assistant: ```c
int main() {
  int32_t i = 0;
  int32_t j = 0;
  uint8_t curchar = 'A';
  uint8_t update = 1;
  int ret_val;
  int garbage;
  int rtc_fd;
  uint8_t buf[79 + 2];
  for (i = 0; i < 79 + 2; i++)
    buf[i] = ' ';
  buf[79 + 2 - 1] = '\0';
  buf[79 + 2 - 2] = '\n';
  buf[79 + 2 - 3] = '|';
  buf[1] = '|';
  rtc_fd = ece391_open((uint8_t *)"rtc");
  ret_val = 32;
  ret_val = ece391_write(rtc_fd, &ret_val, 4);
  while (1) {
    for (j = 1 + 1; j < 79 + 2 - 2 - 1; j++) {
      for (i = 1 + 1; i < 79 + 2 - 2 - 1; i++) {
        buf[i] = ' ';
      }
      buf[j] = curchar;
      ece391_fdputs(1, buf);
      ece391_read(rtc_fd, &garbage, 4);
    }
    for (j = 79 + 2 - 2 - 1 - 1; j >= 1 + 1; j--) {
      for (i = 1 + 1; i < 79 + 2 - 2 - 1; i++) {
        buf[i] = ' ';
      }
      buf[j] = curchar;
      ece391_fdputs(1, buf);
      ece391_read(rtc_fd, &garbage, 4);
    }
    if (curchar == 'Z') {
      curchar = 'A';
    } else {
      curchar = curchar + update;
    }
  }
  return 0;
}
```