Linux--管道编码

   

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 

using namespace std;

int main()
{
    //创建管道
    int pipefd[2]={0};//pipefd[0(嘴巴，读书)]：读端，pipefd[1(钢笔，写)]:写端
    int n=pipe(pipefd);
    assert(n!=-1);
    (void)n;

    #ifdef DEBUG
    cout<<"pipefd[0]:"<0)
            {
                buffer[s]=0;
                cout<<"child get a message["<0);
    (void)ret;

    //父进程退出前，关闭写fd
    close(pipefd[1]);

    return 0;
}