输出所有进程和进程ID

#include <windows.h>
#include <tlhelp32.h>
#include <tchar.h>
#include <stdio.h>

BOOL ListProcessModules( DWORD dwPID );
BOOL ListProcessThreads( DWORD dwOwnerPID );

int main( )
{
  HANDLE hProcessSnap;
  HANDLE hProcess;
  PROCESSENTRY32 pe32;
  DWORD dwPriorityClass;

  // Take a snapshot of all processes in the system.
  hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
  if( hProcessSnap == INVALID_HANDLE_VALUE )
  {
    return( FALSE );
  }

  // Set the size of the structure before using it.
  pe32.dwSize = sizeof( PROCESSENTRY32 );

  if( !Process32First( hProcessSnap, &pe32 ) )
  {
    CloseHandle( hProcessSnap );
    return( FALSE );
  }

  do
  {
    printf( "0x%08X ( %8d ) : %s
", pe32.th32ProcessID, pe32.th32ProcessID,pe32.szExeFile );
  } while( Process32Next( hProcessSnap, &pe32 ) );

  CloseHandle( hProcessSnap );
  return( TRUE );
}