// 
// sub_180019620 from 0x180019620 to 0x18001968d (109 bytes)
// 
// 6 xrefs:
// > sub_180019590 @ 0x1800195e2
// > sub_180019590 @ 0x1800195f0
// > <???> @ 0x18002f46c
// > <???> @ 0x18002f47c
// > <???> @ 0x18004ac14
// > <???> @ 0x18004ac20
// 
// 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
// 

void **__fastcall sub_180019620(void **Block)
{
  _QWORD **v1; // rdx
  _QWORD *v3; // rcx
  _QWORD *v4; // rbx

  v1 = (_QWORD **)*Block;
  **((_QWORD **)*Block + 1) = 0;
  v3 = *v1;
  if ( *v1 )
  {
    do
    {
      v4 = (_QWORD *)*v3;
      j_j_free(v3);
      v3 = v4;
    }
    while ( v4 );
  }
  j_j_free(*Block);
  j_j_free(Block);
  return Block;
}