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#include <iostream>
#include <pwd.h>
#include <sys/types.h>
#include <stddef.h>
#include <string>
#include <list>
using namespace std;
void GetUser(list<string>& lsUser);
int main()
{
list<string> lsUser;
GetUser(lsUser);
cout << "all user name in current computer:" << endl;
list<string>::iterator it;
for (it = lsUser.begin(); it != lsUser.end(); it++)
{
cout << it->c_str()<< endl;
}
return 0;
}
void GetUser(list<string>& lsUser)
{
struct passwd* pstPwd = NULL;
setpwent();
while ( (pstPwd = getpwent()) != NULL )
{
lsUser.push_front(pstPwd->pw_name);
}
endpwent();
}
 


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