user: 这段汇编代码用C语言表示是什么样的：

```asm
<convert_human_time_format>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %eax,%eax
  add    $0x1,%eax
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <xcalloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  movb   $0x0,-0x1d(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L16
L208:
  movl   $0x1,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalpha@plt>
  test   %rax,%rax
  je     L170
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x48,%eax
  cmp    $0x30,%eax
  ja     L245
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D82(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D82(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  cmpb   $0x53,-0x1d(%rbp)
  je     L181
  mov    -0x10(%rbp),%rax
  lea    D47(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  addq   $0x2,-0x10(%rbp)
  movb   $0x53,-0x1d(%rbp)
  jmp    L181
  cmpb   $0x4d,-0x1d(%rbp)
  je     L241
  mov    -0x10(%rbp),%rax
  lea    D31(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  addq   $0x2,-0x10(%rbp)
  movb   $0x4d,-0x1d(%rbp)
  jmp    L241
  cmpb   $0x48,-0x1d(%rbp)
  je     L244
  mov    -0x10(%rbp),%rax
  lea    D68(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  addq   $0x2,-0x10(%rbp)
  movb   $0x48,-0x1d(%rbp)
  jmp    L211
L244:
  mov    -0x10(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x49,(%rax)
  jmp    L211
  cmpb   $0x48,-0x1d(%rbp)
  je     L58
  mov    -0x10(%rbp),%rax
  lea    D63(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  addq   $0x2,-0x10(%rbp)
  movb   $0x48,-0x1d(%rbp)
  jmp    L211
L58:
  mov    -0x10(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x48,(%rax)
  jmp    L211
  cmpb   $0x58,-0x1d(%rbp)
  je     L67
  mov    -0x10(%rbp),%rax
  lea    D15(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  addq   $0x2,-0x10(%rbp)
  movb   $0x58,-0x1d(%rbp)
  jmp    L211
L67:
  mov    -0x10(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x50,(%rax)
  jmp    L211
  cmpb   $0x58,-0x1d(%rbp)
  je     L109
  mov    -0x10(%rbp),%rax
  lea    D87(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  addq   $0x2,-0x10(%rbp)
  movb   $0x58,-0x1d(%rbp)
  jmp    L211
L109:
  mov    -0x10(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x70,(%rax)
  jmp    L211
L245:
  movl   $0x0,-0x1c(%rbp)
  jmp    L211
L170:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <ispunct@plt>
  test   %rax,%rax
  jne    L220
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L250
L220:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  movb   $0x0,-0x1d(%rbp)
  jmp    L211
L250:
  movl   $0x0,-0x1c(%rbp)
  jmp    L211
L181:
  nop
  jmp    L211
L241:
  nop
L211:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  cmpl   $0x0,-0x1c(%rbp)
  sete   %al
  movzbl %al,%eax
  lea    D5(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <is_fatal@plt>
  addq   $0x1,-0x18(%rbp)
L16:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L208
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D47
data_type: string
name: extract_symbolic_data
arguments: tag: D31
data_type: string
name: extract_symbolic_data
arguments: tag: D68
data_type: string
name: extract_symbolic_data
arguments: tag: D63
data_type: string
name: extract_symbolic_data
arguments: tag: D15
data_type: string
name: extract_symbolic_data
arguments: tag: D87
data_type: string
name: extract_symbolic_data
arguments: tag: D5
data_type: string

tool: D47: %S

tool: D31: %M

tool: D68: %l

tool: D63: %k

tool: D15: %P

tool: D87: %p

tool: D5: Invalid character "%c" in time format!

assistant: ```c
char *convert_human_time_format(const char *human_timef) {
  char *result, *cin, *cout;
  char prev;
  result = (char *)xcalloc((2 * strlen(human_timef)) + 1, 1);
  cout = result;
  prev = '\0';
  for (cin = (char *)human_timef; *cin; cin++) {
    int okay = 1;
    if (isalpha(*cin)) {
      switch (*cin) {
      case 'S':
      case 's':
        if (prev != 'S') {
          strcat(cout, "%S");
          cout += 2;
          prev = 'S';
        }
        break;
      case 'M':
      case 'm':
        if (prev != 'M') {
          strcat(cout, "%M");
          cout += 2;
          prev = 'M';
        }
        break;
      case 'h':
        if (prev != 'H') {
          strcat(cout, "%l");
          cout += 2;
          prev = 'H';
        } else
          *(cout - 1) = 'I';
        break;
      case 'H':
        if (prev != 'H') {
          strcat(cout, "%k");
          cout += 2;
          prev = 'H';
        } else
          *(cout - 1) = 'H';
        break;
      case 'x':
        if (prev != 'X') {
          strcat(cout, "%P");
          cout += 2;
          prev = 'X';
        } else
          *(cout - 1) = 'P';
        break;
      case 'X':
        if (prev != 'X') {
          strcat(cout, "%p");
          cout += 2;
          prev = 'X';
        } else
          *(cout - 1) = 'p';
        break;
      default:
        okay = 0;
      }
    } else if (ispunct(*cin) || isspace(*cin)) {
      *cout++ = *cin;
      prev = '\0';
    } else
      okay = 0;
    is_fatal(okay == 0, "Invalid character \"%c\" in time format!", *cin);
  }
  return result;
}
```