自己写一个简单的C++单词扫描程序。[9]

            case '%':
                strtoken = strtoken + ch;
                ch = buffer[++lnscptr];
                if(ch=='=')
                {
                 strtoken = strtoken + ch;
                 ch = buffer[++lnscptr];
                 print(linecount,strtoken,strgrdline,"%=运算符");
                 maketl(linecount,strtoken,"%=运算符");
                }
                else
                {
                 print(linecount,strtoken,strgrdline,"模运算符");
                 maketl(linecount,strtoken,"模运算符");
                }
                break;

            case '<':
                strtoken = strtoken + ch;
                ch = buffer[++lnscptr];
                if(ch=='=')
                {
                 strtoken = strtoken + ch;
                 ch = buffer[++lnscptr];
                 print(linecount,strtoken,strgrdline,"小于等于号");
                 maketl(linecount,strtoken,"小于等于号");
                }
                else
                {
                 print(linecount,strtoken,strgrdline,"小于号");
                 maketl(linecount,strtoken,"小于号");
                }
                break;