// 
// strncpy from 0x180128b60 to 0x180128cc2 (354 bytes)
// 
// 22 xrefs:
// > sub_180020140 @ 0x180020337
// > sub_1800F6380 @ 0x1800f63db
// > sub_1800F6380 @ 0x1800f63f7
// > sub_1800F6380 @ 0x1800f6458
// > sub_1800F6380 @ 0x1800f646f
// > sub_1800F6380 @ 0x1800f64ea
// > sub_1800F6380 @ 0x1800f6501
// > sub_1800F6380 @ 0x1800f6589
// > sub_1800F6380 @ 0x1800f659c
// > sub_180107A40 @ 0x180107a95
// > sub_180107A40 @ 0x180107aae
// > sub_180109650 @ 0x1801096ab
// > sub_180109650 @ 0x1801096c4
// > sub_180109650 @ 0x18010973a
// > sub_180109650 @ 0x180109751
// > sub_180109650 @ 0x1801097e4
// > sub_180109650 @ 0x1801097fb
// > sub_180109650 @ 0x180109872
// > sub_180109650 @ 0x180109889
// > sub_180109650 @ 0x18010990e
// > sub_180109650 @ 0x180109925
// > <???> @ 0x180202a20
// 
// 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
// 

char *__cdecl strncpy(char *Destination, const char *Source, size_t Count)
{
  signed __int64 v4; // rcx
  bool v5; // zf
  unsigned __int64 v7; // rax
  bool v8; // cc
  unsigned __int64 v9; // rax
  unsigned __int64 v10; // rax
  unsigned int v11; // eax
  const char *v12; // rcx
  bool v13; // cf
  size_t i; // r8
  unsigned __int64 v15; // r8

  if ( !Count )
    return Destination;
  v4 = Destination - Source;
  if ( ((unsigned __int8)Source & 7) != 0 )
  {
    while ( 1 )
    {
      v5 = *Source == 0;
      Source[v4] = *Source;
      if ( v5 )
        break;
      ++Source;
      if ( !--Count )
        return Destination;
      if ( ((unsigned __int8)Source & 7) == 0 )
        goto _qword_loop_entrance;
    }
filler:
    v12 = &Source[v4];
    if ( Count >= 0x10 )
    {
      while ( ((unsigned __int8)v12 & 7) != 0 )
      {
        *++v12 = 0;
        --Count;
      }
      v13 = Count < 0x20;
      for ( i = Count - 32; !v13; i -= 32LL )
      {
        *(_QWORD *)v12 = 0;
        *((_QWORD *)v12 + 1) = 0;
        *((_QWORD *)v12 + 2) = 0;
        *((_QWORD *)v12 + 3) = 0;
        v12 += 32;
        v13 = i < 0x20;
      }
      v15 = i + 32;
      while ( 1 )
      {
        v13 = v15 < 8;
        v15 -= 8LL;
        if ( v13 )
          break;
        *(_QWORD *)v12 = 0;
        v12 += 8;
      }
      Count = v15 + 8;
    }
    while ( 1 )
    {
      v13 = Count-- == 0;
      if ( v13 )
        break;
      *v12++ = 0;
    }
    return Destination;
  }
  else
  {
    do
    {
_qword_loop_entrance:
      while ( 1 )
      {
        v7 = *(_QWORD *)Source;
        v8 = Count <= 8;
        Count -= 8LL;
        if ( v8 || (((v7 + 0x7EFEFEFEFEFEFEFFLL) ^ ~v7) & 0x8101010101010100uLL) != 0 )
          break;
        *(_QWORD *)&Source[v4] = v7;
        Source += 8;
      }
      Count += 8LL;
      if ( !Count )
        break;
      Source[v4] = v7;
      if ( !(_BYTE)v7 )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      Source[v4] = BYTE1(v7);
      if ( !BYTE1(v7) )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      v9 = v7 >> 16;
      Source[v4] = v9;
      if ( !(_BYTE)v9 )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      Source[v4] = BYTE1(v9);
      if ( !BYTE1(v9) )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      v10 = v9 >> 16;
      Source[v4] = v10;
      if ( !(_BYTE)v10 )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      Source[v4] = BYTE1(v10);
      if ( !BYTE1(v10) )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      v11 = WORD1(v10);
      Source[v4] = v11;
      if ( !(_BYTE)v11 )
        goto filler;
      ++Source;
      if ( !--Count )
        break;
      Source[v4] = BYTE1(v11);
      if ( !BYTE1(v11) )
        goto filler;
      ++Source;
      --Count;
    }
    while ( Count );
    return Destination;
  }
}