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    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D68(%rip),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rcx
  lea    -0x24(%rbp),%rax
  mov    $0x13,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <open_i2c_dev@plt>
  test   %rax,%rax
  je     L26
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%eax
  jmp    L23
L26:
  mov    -0x24(%rbp),%eax
  lea    -0x20(%rbp),%rdx
  mov    $0x20,%esi
  mov    %eax,%edi
  call   <read_i2c_reg@plt>
  test   %rax,%rax
  jne    L68
  mov    -0x20(%rbp),%eax
  mov    %eax,%esi
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L46
L68:
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L46:
  mov    -0x24(%rbp),%eax
  lea    -0x1c(%rbp),%rdx
  mov    $0x22,%esi
  mov    %eax,%edi
  call   <read_i2c_reg@plt>
  test   %rax,%rax
  jne    L76
  mov    -0x1c(%rbp),%eax
  mov    %eax,%esi
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L76:
  mov    $0x3e8,%edi
  call   <usleep@plt>
  movl   $0x1310,-0x14(%rbp)
  mov    -0x24(%rbp),%eax
  mov    -0x14(%rbp),%edx
  mov    $0x50,%esi
  mov    %eax,%edi
  call   <write_i2c_reg@plt>
  test   %rax,%rax
  jne    L71
  mov    -0x14(%rbp),%eax
  mov    %eax,%esi
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L71:
  mov    $0x3e8,%edi
  call   <usleep@plt>
  mov    -0x24(%rbp),%eax
  lea    -0x18(%rbp),%rdx
  mov    $0x50,%esi
  mov    %eax,%edi
  call   <read_i2c_reg@plt>
  test   %rax,%rax
  jne    L69
  mov    -0x18(%rbp),%eax
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L69:
  mov    $0x0,%eax
L23:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L78
  call   <__stack_chk_fail@plt>
L78:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D68
datatype: string
name: retrieve_data
arguments: tag: D41
datatype: string
name: retrieve_data
arguments: tag: D49
datatype: string
name: retrieve_data
arguments: tag: D4
datatype: string
name: retrieve_data
arguments: tag: D54
datatype: string
name: retrieve_data
arguments: tag: D1
datatype: string

tool: D68: /dev/i2c-1

tool: D41: Failed to setup i2c

tool: D49: Read VCC as %d mV. 


tool: D4: Failed to read VCC 

tool: D54: Set vbat_conv to %i. 


tool: D1: Read vbat_conv as %i. 


assistant: ```c
int main(void) {
  int file_i2c;
  char *filename = (char *)"/dev/i2c-1";
  uint16_t vcc;
  uint16_t vbat;
  if (open_i2c_dev(&file_i2c, filename, 0x13) != 0) {
    printf("Failed to setup i2c");
    return -1;
  }
  if (read_i2c_reg(file_i2c, 0x20, &vcc) == 0) {
    printf("Read VCC as %d mV. \n", vcc);
  } else {
    printf("Failed to read VCC \n");
  }
  if (read_i2c_reg(file_i2c, 0x22, &vbat) == 0) {
    printf("Read VCC as %d mV. \n", vbat);
  }
  usleep(1000);
  uint16_t vbat_conv_set = 4880, vbat_conv_read;
  if (write_i2c_reg(file_i2c, 0x50, vbat_conv_set) == 0) {
    printf("Set vbat_conv to %i. \n", vbat_conv_set);
  }
  usleep(1000);
  if (read_i2c_reg(file_i2c, 0x50, &vbat_conv_read) == 0) {
    printf("Read vbat_conv as %i. \n", vbat_conv_read);
  }
  return 0;
}
```