Threads in visual studi c++

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Visual-Studio

Hey,
I'm a beginner in this. I'm writing a program that will keep displaying random letters in an infinite loop till the user hits 'enter'. The thread seems to work fine but the program execution after the execution of the thread gets messed up. As in, for the questions that follow after that part the input is not accepted properly. If the thread is removed it works fine. I tried looking everywhere but couldn't find any solution. Would really appreciate some help. Thanks.


This is the part of the code that deals with the thread. Please let me know of any mistakes. Also, can you please elaborate on how to fix it if the problem is with the memory allocation/access? By the way, I also tried using _beginthread() but experienced the same problem.

// The function passed in the thread
// c has been declared as a global variable
DWORD WINAPI StopMatrix(LPVOID)
{
 c='\0';
 c=getchar();
 while(c!='\n')
  c=getchar();
 return 0;
}
 
// Function containing the thread creation.
void RandomMatrixPrint()
{
 HANDLE ThreadVar=0;
 for(int x=0;x<;999;x++)
 {
  for(int i=0;i<10;i++)
  {
   for(int j=0;j<;10;j++)
   cout<<matrix[i][j];
   cout<<"\n";
   if(x<3)
    Sleep(1);
   else
    Sleep(35);
  }
  ThreadVar=CreateThread(NULL,0,StopMatrix,NULL,0,NULL);
  if(c=='\n')
  break;
 }
 system("cls");
 CloseHandle(ThreadVar);
}