Call WINAPI Implementation of mail slot communication C/s example

Just a test. Master ignores.

Service side:

Code by pnig0s1992//date:2012,3,19 #include <stdio.h> #include <Windows.h> VOID usemailslot (  
     
LPTSTR lpmailslotname);  
    int main (int argc,char **argv) {LPTSTR lpslotname = TEXT ("\\\\.\\mailslot\\first_slot");  
    Usemailslot (Lpslotname);  
return 0;  
    } VOID Usemailslot (LPTSTR lpmailslotname) {HANDLE hmailslot;  
    BOOL Bresult;  
    DWORD dwmessagesize;  
    DWORD Dwmessagecount;  
    DWORD dwhasreadbytes;  
    Hmailslot = Createmailslot (lpmailslotname,0,mailslot_wait_forever,null);  
        if (Hmailslot = = Invalid_handle_value) {printf ("\ncreate mailslot:%s failed.", Lpmailslotname);  
    Return  
    }else {printf ("\ncreate mailslot successfully.");  
    int icount = 0;  
    int index = 0;  
        while (1) {bresult = Getmailslotinfo (hmailslot,null,&dwmessagesize,&dwmessagecount,null); if (!bresult) {printf ("\ngeTmailslotinfo failed with error:%d ", GetLastError ());  
            CloseHandle (Hmailslot);  
        Return  
            } if (Dwmessagecount = = 0) {printf ("\nno.%d wait for message.", icount+1);  
            icount++;  
            Sleep (2000);  
        Continue 

while (dwmessagecount!= 0) {LPTSTR Lpmessagebuffer = (LPTSTR) HeapAlloc (getprocessheap  
            (), heap_zero_memory,dwmessagesize);  
                if (Lpmessagebuffer = = NULL) {printf ("\nheapalloc failed with error:%d", GetLastError ());  
                CloseHandle (Hmailslot);  
            Return  
            } bresult = ReadFile (hmailslot,lpmessagebuffer,dwmessagesize,&dwhasreadbytes,null);  
                if (!bresult) {printf ("\nreadfile failed with error:%d", GetLastError ());  
                HeapFree (GetProcessHeap (), 0,lpmessagebuffer); ClOsehandle (Hmailslot);  
            Return  
            printf ("\nreceive no.%d message from client.\ncontent:%s", Index+1,lpmessagebuffer);  
            index++;  
            HeapFree (GetProcessHeap (), 0,lpmessagebuffer);  
            Bresult = Getmailslotinfo (hmailslot,0,&dwmessagesize,&dwmessagecount,null);  
                if (!bresult) {printf ("\ngetmailslotinfo failed with error:%d", GetLastError ());  
            Return  
}} return; }