C實現枚舉進程

/*  
*  檔案名稱：EnumProcess.c

*  用途：枚舉進程
*  編程環境：WinXP SP2+CL 8.0
*  完成日期： 2006.2   Ver 0.01

*  作者： 88250

*  連絡方式： E-mail: DL88250@gmail.com  QQ:845765

*/

#include  < stdio.h >

#include  < windows.h >

#include  < psapi.h >

#pragma  comment(lib, "psapi.lib")



int  main( void )

{

    DWORD processid[ 1024 ], pBytesReturned[ 1024 ], processSum, i;

    HANDLE hProcess;

    HMODULE hModule;

     char  path[MAX_PATH]  =   "" , temp[ 256 ];



    printf( " ShowProcessPath with [Process Status API] " );



    EnumProcesses(processid,  sizeof (processid), pBytesReturned);

    processSum  =   * pBytesReturned  /   sizeof (DWORD);



     for  (i  =   0 ; i  <  processSum; i ++ ){

        hProcess  =  OpenProcess(PROCESS_QUERY_INFORMATION  |  PROCESS_VM_READ, FALSE, processid[i]);

         if  (hProcess){

            EnumProcessModules(hProcess,  & hModule,  sizeof (hModule), pBytesReturned);

            GetModuleFileNameEx(hProcess, hModule, path,  sizeof (path));

            GetShortPathName(path, path,  256 );

            itoa(processid[i], temp,  10 );

            printf( " %s --- %s " , path, temp);        

        } else {

            printf( " Failed!!! " );         //  許可權不夠，不能訪問有的進程

        }

    }



    CloseHandle(hProcess);

    CloseHandle(hModule);



    itoa(processSum, temp,  10 );

    printf( " Process Count:%s " , temp);



     return   0 ;

}