自己写一个简单的C++单词扫描程序。[10]

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

            case '!':
                strtoken = strtoken + ch;
                ch = buffer[++lnscptr];
                if(ch=='=')
                {
                 strtoken = strtoken + ch;
                 ch = buffer[++lnscptr];
                 print(linecount,strtoken,strgrdline,"不等于号");
                 maketl(linecount,strtoken,"不等于号");
                }
                else
                {
                 print(linecount,strtoken,strgrdline,"逻辑非");
                 maketl(linecount,strtoken,"逻辑非");
                }
                break;