用 %errorlevel% 或&& 、|| 等就可以获得程序的运行成功或失败

//code by 森仔 2010.4.18 

#include<windows.h>

#include<stdio.h>

#include <tlhelp32.h>



unsigned long judge_process(char *img_name);

int help_info();



int main(int argc,char *argv)

{

	char imagename={0};

	int flag;

	if(argc!=2) return 0;

	if(0==(strcmp(argv,"-h"))) 

	{

		help_info();

		return 0;

	}

	flag=judge_process(argv);

	if(flag==-1) 

	{

		printf("%s 没被加载运行!",imagename);

		return -1;

	}

	else

	{

		printf("%s 已被加载运行!",imagename);

		return 0;

	}

}









unsigned long judge_process(char *img_name)

{



	HANDLE	process_snap = 

        CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

		

	if(process_snap == (HANDLE)-1)

		return -1;

	PROCESSENTRY32 process_enter;	

        process_enter.dwSize = sizeof(PROCESSENTRY32);

								

	if(!Process32First(process_snap,&process_enter)) 

		return -1;

	do {

		if(0 == strcmpi(img_name, process_enter.szExeFile))

			return 0;

		

	}while (Process32Next(process_snap,&process_enter));

	if(NULL != process_snap)

		CloseHandle(process_snap);

	return -1;

}



int help_info()

{

	char help_info=

		"用法示例:\n"

		"-h   显示此信息\n"

		"prodetect qq.exe";

	puts(help_info);

	return 0;

}

@echo off&cls

set /p appname=请输入要检查的进程名：

wmic process list brief | findstr /i /c:"%appname%" 

if %errorlevel% equ 0 echo "%appname% exist!"

if %errorlevel% equ 1 echo "%appname% not exist!"

pause