进程的查找、遍历与终止

查找进程中QQ进程并终止该进程

#include<windows.h>
#include<stdio.h>
#include<tlhelp32.h>
DWORD FindProcess(char * fileName)//查找进程
{
    PROCESSENTRY32 pe32={sizeof(PROCESSENTRY32)};
    HANDLE hSnapshot=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
    if(hSnapshot==INVALID_HANDLE_VALUE)
    {
        printf("获取进程快照失败！\n");
        return 0;
    }
    BOOL bMore = ::Process32First(hSnapshot,&pe32);
    while(bMore)
    {
        if(strcmp(pe32.szExeFile,fileName)==0) 
            return pe32.th32ProcessID;
        bMore = ::Process32Next(hSnapshot,&pe32);
    }
        ::CloseHandle(hSnapshot);
    return 0;
}
BOOL EnumProcess()//遍历进程
{
    PROCESSENTRY32 pe32={sizeof(PROCESSENTRY32)};
    HANDLE hSnapshot=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
    if(hSnapshot==INVALID_HANDLE_VALUE)
    {
        printf("获取进程快照失败\n");
        return 0;
    }
    BOOL bMore=::Process32First(hSnapshot,&pe32);
    while(bMore)
    {
        printf("进程号：%d，进程名：%s\n",pe32.th32ProcessID,pe32.szExeFile);
        bMore=::Process32Next(hSnapshot,&pe32);
    }
    ::CloseHandle(hSnapshot);
    return 1;
}
int main(int argc,char * argv[])
{
    DWORD exitCode;
    char fileName[]="QQ.exe";
    //EnumProcess();
    DWORD handleId=FindProcess(fileName);
    if(handleId==0)
    {
        printf("没有找到%s进程\n",fileName);
        return 0;
    }
    HANDLE hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,handleId);
    if(hProcess!=NULL)
    {
                GetExitCodeProcess(hProcess,&exitCode);
                ::TerminateProcess(hProcess,exitCode);
        printf("成功关闭%s进程\n",fileName);
    }
        handleId=FindProcess(fileName);
    if(handleId==0)
    {
        printf("没有找到%s进程\n",fileName);
        return 0;
    }
    //EnumProcess();
    return 1;
}