__int64 sub_5408(__int64 a1, const char *a2, ...)
{
  __int64 result; // rax
  __int64 (__fastcall **v4)(__int64, const char *, __int64 *); // r10
  va_list va; // [rsp+40h] [rbp+18h] BYREF

  va_start(va, a2);
  result = sub_5388(); /*0x541f*/
  if ( result ) /*0x542a*/
  {
    result = sub_5DA0(); /*0x542c*/
    if ( ((unsigned int)result & (unsigned int)a1) != 0 ) /*0x5437*/
      return (*v4)(a1, a2, (__int64 *)va); /*0x5446*/
  }
  return result; /*0x5449*/
}