user: Please show me the C implementation that matches the assembly code listed below:

```asm
<debug_determinestyle>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x38,%rsp
  mov    0x70(%rsp),%eax
  mov    0x78(%rsp),%r13
  mov    %r8d,0x1c(%rsp)
  mov    %r9,0x8(%rsp)
  mov    0x88(%rsp),%rbx
  mov    %eax,0x20(%rsp)
  mov    0x80(%rsp),%eax
  mov    0x90(%rsp),%r15
  mov    0xa0(%rsp),%r14
  mov    %eax,0x24(%rsp)
  mov    0x98(%rsp),%rax
  mov    %rax,0x10(%rsp)
  mov    0xa8(%rsp),%eax
  mov    %eax,0x28(%rsp)
  test   %edi,%edi
  je     L60
  mov    %edi,0x2c(%rsp)
  xor    %eax,%eax
  lea    D39(%rip),%rdi
  call   <printf@plt>
  mov    0x2c(%rsp),%r11d
  cmp    $0x1,%r11d
  je     L103
L60:
  mov    %ebp,%edi
  call   <showflags@plt>
  mov    %ebp,%esi
  lea    D32(%rip),%rdi
  mov    %rax,%rdx
  xor    %eax,%eax
  call   <printf@plt>
  cmpb   $0x0,(%rbx)
  jne    L110
  cmpb   $0x0,(%r15)
  jne    L137
L135:
  cmpb   $0x0,(%r14)
  jne    L113
L108:
  cmpb   $0x0,(%r12)
  jne    L32
L136:
  mov    0x8(%rsp),%rax
  cmpb   $0x0,(%rax)
  jne    L12
L102:
  cmpb   $0x0,0x0(%r13)
  jne    L90
L42:
  mov    0x10(%rsp),%rax
  cmpb   $0x0,(%rax)
  jne    L21
L103:
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L110:
  xor    %eax,%eax
  mov    %rbx,%rsi
  lea    D21(%rip),%rdi
  call   <printf@plt>
  cmpb   $0x0,(%r15)
  je     L135
L137:
  xor    %eax,%eax
  mov    %r15,%rsi
  lea    D22(%rip),%rdi
  call   <printf@plt>
  cmpb   $0x0,(%r14)
  je     L108
L113:
  mov    0x28(%rsp),%edx
  xor    %eax,%eax
  mov    %r14,%rsi
  lea    D88(%rip),%rdi
  call   <printf@plt>
  cmpb   $0x0,(%r12)
  je     L136
L32:
  mov    0x1c(%rsp),%edx
  xor    %eax,%eax
  mov    %r12,%rsi
  lea    D62(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  cmpb   $0x0,(%rax)
  je     L102
L12:
  mov    0x20(%rsp),%edx
  mov    %rax,%rsi
  lea    D20(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  cmpb   $0x0,0x0(%r13)
  je     L42
L90:
  mov    0x24(%rsp),%edx
  xor    %eax,%eax
  mov    %r13,%rsi
  lea    D55(%rip),%rdi
  call   <printf@plt>
  mov    0x10(%rsp),%rax
  cmpb   $0x0,(%rax)
  je     L103
L21:
  add    $0x38,%rsp
  mov    %rax,%rsi
  lea    D85(%rip),%rdi
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <printf@plt>
```

tool_calls: name: read_data
arguments: data_label: D39
type_guessed: string
name: read_data
arguments: data_label: D32
type_guessed: string
name: read_data
arguments: data_label: D21
type_guessed: string
name: read_data
arguments: data_label: D22
type_guessed: string
name: read_data
arguments: data_label: D88
type_guessed: string
name: read_data
arguments: data_label: D62
type_guessed: string
name: read_data
arguments: data_label: D20
type_guessed: string
name: read_data
arguments: data_label: D55
type_guessed: string
name: read_data
arguments: data_label: D85
type_guessed: string

tool: D39: -------
date: |%s|


tool: D32: flags: %x - %s


tool: D21: modifieroffset: |%s|


tool: D22: modifierindex: |%s|


tool: D88: year: |%s| (%d)


tool: D62: month: |%s| (%d)


tool: D20: dayofmonth: |%s| (%d)


tool: D55: dayofweek: |%s| (%d)


tool: D85: specialday: |%s|


assistant: ```c
void debug_determinestyle(int dateonly, char *date, int flags, char *month, int imonth, char *dayofmonth, int idayofmonth, char *dayofweek, int idayofweek, char *modifieroffset, char *modifierindex, char *specialday, char *year, int iyear) {
  if (dateonly != 0) {
    printf("-------\ndate: |%s|\n", date);
    if (dateonly == 1)
      return;
  }
  printf("flags: %x - %s\n", flags, showflags(flags));
  if (modifieroffset[0] != '\0')
    printf("modifieroffset: |%s|\n", modifieroffset);
  if (modifierindex[0] != '\0')
    printf("modifierindex: |%s|\n", modifierindex);
  if (year[0] != '\0')
    printf("year: |%s| (%d)\n", year, iyear);
  if (month[0] != '\0')
    printf("month: |%s| (%d)\n", month, imonth);
  if (dayofmonth[0] != '\0')
    printf("dayofmonth: |%s| (%d)\n", dayofmonth, idayofmonth);
  if (dayofweek[0] != '\0')
    printf("dayofweek: |%s| (%d)\n", dayofweek, idayofweek);
  if (specialday[0] != '\0')
    printf("specialday: |%s|\n", specialday);
}
```