server.cpp

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// Module Name: server.cpp
//
// Purpose:
//     Demonstrates how to write a mailslot server application
//
// Compile:
//     cl -o server server.cpp
//
// Command Line Options:
//     None
//

#include <windows.h>
#include <stdio.h>

void main(void) {

   HANDLE Mailslot;
   char buffer[256];
   DWORD NumberOfBytesRead;

   // Create the mailslot
   if ((Mailslot = CreateMailslot("\\\\.\\mailslot\\myslot", 0,
      MAILSLOT_WAIT_FOREVER, NULL)) == INVALID_HANDLE_VALUE)
   {
      printf("Failed to create a MailSlot %d\n", GetLastError());
      return;
   }

   // Read data from the mailslot forever!
   while(ReadFile(Mailslot, buffer, 256, &NumberOfBytesRead,
      NULL) != 0)
   {
      printf("%.*s\n", NumberOfBytesRead, buffer);
   }
}