user: 请将以下的汇编代码转换成C语言代码：

```asm
<ISO2UNIX>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,-0x5c(%rbp)
  lea    -0x50(%rbp),%rdx
  lea    -0x5c(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <localtime_r@plt>
  movq   $0x0,-0x10(%rbp)
  movq   $0x0,-0x18(%rbp)
  movq   $0x0,-0x20(%rbp)
  movl   $0xffffffff,-0x50(%rbp)
  mov    -0x68(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0xc,%eax
  je     L39
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <LogError@plt>
  mov    $0x0,%eax
  jmp    L11
L39:
  mov    -0x68(%rbp),%rax
  mov    %rax,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  movzbl 0x4(%rax),%eax
  mov    %al,-0x5d(%rbp)
  mov    -0x58(%rbp),%rax
  add    $0x4,%rax
  movb   $0x0,(%rax)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  sub    $0x76c,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x58(%rbp),%rax
  lea    0x4(%rax),%rdx
  movzbl -0x5d(%rbp),%eax
  mov    %al,(%rdx)
  addq   $0x4,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  movzbl 0x2(%rax),%eax
  mov    %al,-0x5d(%rbp)
  mov    -0x58(%rbp),%rax
  add    $0x2,%rax
  movb   $0x0,(%rax)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  sub    $0x1,%rax
  mov    %rax,-0x30(%rbp)
  mov    -0x58(%rbp),%rax
  lea    0x2(%rax),%rdx
  movzbl -0x5d(%rbp),%eax
  mov    %al,(%rdx)
  addq   $0x2,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  movzbl 0x2(%rax),%eax
  mov    %al,-0x5d(%rbp)
  mov    -0x58(%rbp),%rax
  add    $0x2,%rax
  movb   $0x0,(%rax)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %rax,-0x38(%rbp)
  mov    -0x58(%rbp),%rax
  lea    0x2(%rax),%rdx
  movzbl -0x5d(%rbp),%eax
  mov    %al,(%rdx)
  addq   $0x2,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  movzbl 0x2(%rax),%eax
  mov    %al,-0x5d(%rbp)
  mov    -0x58(%rbp),%rax
  add    $0x2,%rax
  movb   $0x0,(%rax)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %rax,-0x40(%rbp)
  mov    -0x58(%rbp),%rax
  lea    0x2(%rax),%rdx
  movzbl -0x5d(%rbp),%eax
  mov    %al,(%rdx)
  addq   $0x2,-0x58(%rbp)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %rax,-0x48(%rbp)
  lea    -0x50(%rbp),%rax
  mov    %rax,%rdi
  call   <mktime@plt>
  mov    %eax,-0x5c(%rbp)
  mov    -0x5c(%rbp),%eax
  cmp    $0xffffffff,%eax
  jne    L14
  mov    -0x68(%rbp),%rax
  mov    %rax,%rsi
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  call   <LogError@plt>
  mov    $0x0,%eax
  jmp    L11
L14:
  mov    -0x5c(%rbp),%eax
L11:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L17
  call   <__stack_chk_fail@plt>
L17:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D5
type: string
name: parse_data
arguments: data_tag: D19
type: string

tool: D5: Wrong time format '%s'


tool: D19: Failed to convert string '%s'


assistant: ```c
time_t ISO2UNIX(char *timestring) {
  char c, *p;
  struct tm when;
  time_t t;
  t = time(NULL);
  localtime_r(&t, &when);
  when.tm_sec = 0;
  when.tm_wday = 0;
  when.tm_yday = 0;
  when.tm_isdst = -1;
  if (strlen(timestring) != 12) {
    LogError("Wrong time format '%s'\n", timestring);
    return 0;
  }
  p = timestring;
  c = p[4];
  p[4] = '\0';
  when.tm_year = atoi(p) - 1900;
  p[4] = c;
  p += 4;
  c = p[2];
  p[2] = '\0';
  when.tm_mon = atoi(p) - 1;
  p[2] = c;
  p += 2;
  c = p[2];
  p[2] = '\0';
  when.tm_mday = atoi(p);
  p[2] = c;
  p += 2;
  c = p[2];
  p[2] = '\0';
  when.tm_hour = atoi(p);
  p[2] = c;
  p += 2;
  when.tm_min = atoi(p);
  t = mktime(&when);
  if (t == -1) {
    LogError("Failed to convert string '%s'\n", timestring);
    return 0;
  } else {
    return t;
  }
}
```