s", *index, buffer);}
if (strcmp(buffer,"\n"argv[], int bflag, int nflag){ int index = 1; //line index. to be used in case -b or -nn }
for (int i=optind; i&
在我的centos7.0系统中,当我用g++ test.cpp -o编译代码时,输出是"is linux system“。使用g++ test.cpp -std=c++11 -o编译测试时,输出为"is not linux system“#include <iostream>int main(){ cout<<