#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>

int main()
{
    int f=open("nume.txt",O_RDONLY);
    char ch='y';
    int readcode;
    int p[2],q[2];
    mkfifo("p",0600);
    mkfifo("q",0600);
    q[1]=open("q",O_WRONLY);
    p[0]=open("p",O_RDONLY);



    while(1)
    {
      read(p[0],&ch,1);

        while(1)
        {
            readcode=read(f,&ch,1);
            if(readcode==0)
                break;
            if(ch=='\n')
                break;
            printf("%c",ch);
        }


        printf("  ");

        if(readcode==0)
            break;

        write(q[1],&ch,1);


    }

    close(p[0]);
    close(q[1]);
}



/////////////////////////////////////////////////////

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>


int main()
{
    int f=open("telefon.txt",O_RDONLY);
    char ch='x';
    int p[2],q[2],readcode;
    mkfifo("p",0600);
    mkfifo("q",0600);
    q[0]=open("q",O_RDONLY);
    p[1]=open("p",O_WRONLY);



    write(p[1],&ch,1);
    while(1)
    {

     read(q[0],&ch,1);

        while(1)
        {
            readcode=read(f,&ch,1);
            if(readcode==0)
                break;
            if(ch=='\n')
                break;
            printf("%c",ch);
        }


        printf("\n");

        if(readcode==0)
            break;


        write(p[1],&ch,1);



    }

    close(p[1]);
    close(q[0]);


}