如何从进程名获得进程ID

#include <ntddk.h>#include "ntifs.h"HANDLE RetrivePID( char* ProcessName ){PEPROCESS PeProcess = NULL; PLIST_ENTRYpNextEntry, pListHead; PeProcess = PsGetCurrentProcess(); if(!PeProcess) {DbgPrint( "[ALARM] -> Cannot find 'System' process!" );return (HANDLE)-1;}if( IsListEmpty( &PeProcess->ActiveProcessLinks ) )DbgPrint("[ALARM] -> No processes found!");else{pListHead = &PeProcess->ActiveProcessLinks;pNextEntry = pListHead->Flink;while(pNextEntry != pListHead) {PeProcess = CONTAINING_RECORD( pNextEntry,EPROCESS,ActiveProcessLinks );if(PeProcess->ActiveThreads)if( !IsListEmpty( &PeProcess->ThreadListHead ) ){//if( _strnicmp( PeProcess->ImageFileName, ProcessName ,strlen(ProcessName) ) == 0 )//return PsGetProcessId( PeProcess );DbgPrint("Process name: %s - PID:%d", PeProcess->ImageFileName, PeProcess->UniqueProcessId);}PeProcess = NULL;pNextEntry = pNextEntry->Flink;}}return (HANDLE)-1;}VOID Unload(IN PDRIVER_OBJECT DriverObject){DbgPrint("Test Driver :: Unload");}NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING RegistryPathName){DbgPrint("Test Driver :: DriverEntry");// Test functionRetrivePID("notepad.exe");DriverObject->DriverUnload = Unload;return STATUS_SUCCESS;}