c++ 从标注输入流读取行

#include <string.h>
#include <iostream>
#include <vector>
#include <stdio.h>
#include <stdlib.h>
#include <boost/algorithm/string.hpp>

int main() {
    //std::string bns = "list://cp01-spi-fresh2.cp01.baidu.com:8004";
    std::string bns = "bns://exdata-server.ps-wcb.yq01";

    baidu::rpc::ChannelOptions option;
    option.connection_type = baidu::rpc::CONNECTION_TYPE_SINGLE;

    baidu::rpc::Channel channel;
    if(channel.Init(bns.c_str(), "rr", &option) != ){
        return -;
    }

    ps::spider::ExdataService_Stub stub(&channel);

    char str[];
    while(true){
        char* l = fgets(str, sizeof(str), stdin);
        if(NULL == l)
            break;
        int len  = strlen(str);
        str[len-] = '\0';
        std::string line = str;
        if(line.empty())
            continue;
        std::vector<std::string> tokens;
        boost::split(tokens, line, boost::is_any_of("\t"));
        if(tokens.size() == ){
            //.........云云
    }
    return ;
}
/* vim: set ts=4 sw=4 sts=4 tw=100 */