獲取子進程的退出碼“編程開發”

獲取子進程的退出碼“編程開發”

#include "stdafx.h"
#include "windows.h"
#include "iostream"
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
	LPCTSTR lpName(_T("zzc"));  
	LPCTSTR lpValue(_T("88888"));  

	//設置環境變量的值
	::SetEnvironmentVariable(lpName,lpValue);  

	STARTUPINFO si;  
	PROCESS_INFORMATION pi;  

	ZeroMemory(&si, sizeof(si));  
	ZeroMemory(&pi, sizeof(pi));

	if( !CreateProcess( _T("D:\\繪圖編程\\父子進程通信-環境變量\\Child\\Debug\\Child.exe"),  
		NULL,  
		NULL,   
		NULL, 
		TRUE,
		CREATE_NEW_CONSOLE/*DETACHED_PROCESS*/,//新進程使用自己的可控制臺窗口  
		NULL,  
		NULL,   
		&si,  
		&pi) )  
	{  
		cout <<"shibai" <
 
 
 
#include "stdafx.h"
#include "windows.h"
#include "iostream"
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
	LPCTSTR lpName(_T("zzc"));   
	int nlength = ::GetEnvironmentVariable(lpName,NULL,0);  
	LPTSTR lpValue = new TCHAR[nlength+1];  
	memset(lpValue,'\0',nlength+1);  
	::GetEnvironmentVariable(lpName,lpValue,nlength+1);

	setlocale(LC_ALL, "chs");
	_tprintf(lpValue);

	cout <