// 
// _isleadbyte_l from 0x18013da24 to 0x18013da6f (75 bytes)
// 
// 2 xrefs:
// > _mbtowc_l @ 0x18013735b
// > <???> @ 0x180203b00
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

int __cdecl isleadbyte_l(int C, _locale_t Locale)
{
  __int64 v2; // rbx
  int result; // eax
  _QWORD v4[3]; // [rsp+20h] [rbp-28h] BYREF
  char v5; // [rsp+38h] [rbp-10h]

  v2 = C;
  _LocaleUpdate::_LocaleUpdate((_LocaleUpdate *)v4, Locale);
  if ( (unsigned int)(v2 + 1) > 0x100 )
    result = 0;
  else
    result = *(_WORD *)(*(_QWORD *)v4[1] + 2 * v2) & 0x8000;
  if ( v5 )
    *(_DWORD *)(v4[0] + 936LL) &= ~2u;
  return result;
}