__int64 __fastcall sub_90C(char a1, __int64 a2, __int64 a3, __int64 a4)
{
  __int64 v4; // rax
  char v5; // bl
  __int64 result; // rax
  _BYTE v8[24]; // [rsp+40h] [rbp-18h] BYREF
  char n3; // [rsp+70h] [rbp+18h] BYREF
  char v10; // [rsp+78h] [rbp+20h] BYREF

  v4 = qword_7920; /*0x916*/
  v5 = a2; /*0x91d*/
  if ( !qword_7920 ) /*0x925*/
  {
    result = (*(__int64 (__fastcall **)(void *, _QWORD, __int64 *))(qword_79B8 + 320))(&unk_7450, 0, &qword_7920); /*0x93e*/
    if ( result < 0 ) /*0x947*/
    {
      qword_7920 = 0; /*0x949*/
      return result; /*0x951*/
    }
    v4 = qword_7920; /*0x953*/
  }
  v8[0] = a1; /*0x95f*/
  LOBYTE(a4) = 43; /*0x969*/
  v8[1] = v5; /*0x971*/
  LOBYTE(a2) = 46; /*0x98c*/
  n3 = 3; /*0x991*/
  return (*(__int64 (__fastcall **)(__int64, __int64, _QWORD, __int64, _BYTE *, char, char *, char *))(v4 + 16))( /*0x99e*/
           v4,
           a2,
           0,
           a4,
           v8,
           2,
           &v10,
           &n3);
}