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  1. /* filename: pclient.c */
  2.  
  3. #define UNICODE
  4.  
  5. #include <windows.h>
  6. #include <stdio.h>
  7.  
  8. int main() {
  9.   wchar_t buf[1024];
  10.   int numBytes = 0;
  11.   BOOL writeGood = FALSE;
  12.  
  13.   HANDLE hPipe = NULL;
  14.   hPipe = CreateFile(L"\\\\.\\pipe\\purpose",
  15.                      GENERIC_READ | GENERIC_WRITE,
  16.                      0,
  17.                      NULL,
  18.                      OPEN_EXISTING,
  19.                      0,
  20.                      NULL);
  21.  
  22.   if (hPipe == INVALID_HANDLE_VALUE) {
  23.     _putws(L"hPipe error.\n");
  24.     return 0;
  25.   }
  26.  
  27.   writeGood = WriteFile(hPipe, L"AAAAAAAAAAAAAAAA", 32, &numBytes, NULL);
  28.   printf("numBytes for writefile = %d\n", numBytes);
  29.   if (writeGood == FALSE)  return 0;
  30.   Sleep(500);
  31.  
  32.   writeGood = WriteFile(hPipe, L"BBBBBBBBBBBBBBBB", 32, &numBytes, NULL);
  33.   printf("numBytes for writefile = %d\n", numBytes);
  34.   if (writeGood == FALSE)  return 0;
  35.   Sleep(500);
  36.  
  37.   writeGood = WriteFile(hPipe, L"C", 4, &numBytes, NULL);
  38.   printf("numBytes for writefile = %d\n", numBytes);
  39.  
  40.   _putws(L"all done, stop...");
  41.   system("pause");
  42.   CloseHandle(hPipe);
  43.   return 0;
  44. }
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https://ideone.com/FRZgJr
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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