import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.io.*;

public class FindStringWithChar
{
    public static void main(String[] args)
    {
        try
        {
            BufferedReader bf=new BufferedReader(new FileReader("3.txt"));
            String str=null;
            while((str=bf.readLine())!=null)
            {
                Pattern pattern = Pattern.compile("^char.*");                //找到char开头的字符串。
                Matcher matcher = pattern.matcher(str);
                while (matcher.find())
                       {
                    String s=matcher.group().replaceAll("char\\*","").replaceAll("\\(void\\);","");    //替换掉头"char*"和尾"(void);.
                    System.out.println(s);
                }
            }
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
    }
}