while(!feof(fp1))

                        {

                                if(fgets(str1,250,fp1) == NULL)

                                {

                                        perror("fgets");

                                        break;

                                }

if(strstr(str1,"tnslsnr") )

                                {

                                        if(!strstr(str1,"grep"))

                                                bFlag = 1;

                                        break;

                                }

                         }

                        fclose(fp1);


                        

                        if(bFlag==1)

                        {
                        printf("flag value is %d",bFlag);
                        perror("Listener is running");


                        }