判断进程是否正在运行

#include <windows.h>
#include <tlhelp32.h>
int FindProcess(char *s) //返回此进程运行个数
{
    int cnt = 0;
    PROCESSENTRY32 pe32;
    pe32.dwSize = sizeof(pe32);
    HANDLE hProcessSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    bool bMore = ::Process32First(hProcessSnap, &pe32);
    while(bMore)
    {
        //printf("%s\n",pe32.szExeFile);
        if(strcmp(s,pe32.szExeFile)==0)
            cnt++;
        bMore = ::Process32Next(hProcessSnap, &pe32);
    }
    return cnt;
}