/* Vytvoření potomka s přesměrovanými std. vstupem i výstupem
   Proces potomek */

#include <windows.h> 
#define BUFSIZE 4096 
 
VOID main(VOID) 
{ 
   CHAR chBuf[BUFSIZE]; 
   DWORD dwRead, dwWritten; 
   HANDLE hStdin, hStdout; 
   BOOL fSuccess; 
 
   hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
   hStdin = GetStdHandle(STD_INPUT_HANDLE); 
   if ((hStdout == INVALID_HANDLE_VALUE) || 
      (hStdin == INVALID_HANDLE_VALUE)) 
      ExitProcess(1); 
 
   for (;;) 
   { 
   // Read from standard input. 
      fSuccess = ReadFile(hStdin, chBuf, BUFSIZE, &dwRead, NULL); 
      if (! fSuccess || dwRead == 0) 
         break; 
 
   // Write to standard output. 
      fSuccess = WriteFile(hStdout, chBuf, dwRead, &dwWritten, NULL); 
      if (! fSuccess) 
         break; 
   } 
}