#include <stdio.h>

#include <fcntl.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>



    int main()

        {



        int source_fd,char_read;

        char* path="/root/E2L/emp";     // file name

        char buf[128];

        memset(buf, 0 ,sizeof(buf));





            if ((source_fd = open(path, O_RDONLY)) < 0) {

                perror("Open source failed:");

                exit(2);

            }



            if((char_read = read(source_fd,buf,sizeof(buf)-1)) < 0){

                perror("Read error :");

                exit(2);

            }



            printf("Characters read = %d \n",char_read);

            printf("%s\n",buf);





        }