#include <stdio.h>
//#include <iostream.h>
char comanda[14]="ps -f -C ";
#include <signal.h>
void dothestuff() {
  FILE * f;
  char com[20];
  if (f=fopen("lista","r")) fscanf(f,"%s",com);
  fclose(f);
  strcat(comanda,com);
  printf("Citire executata\n");
}

void main() {
  FILE * f;
  char linie[1024];
  //dothestuff();
  signal(SIGHUP,dothestuff);
  printf("%s\n",comanda);
  while(1) {
  if((f=popen(comanda,"r"))==NULL) {
       printf("Cannot popen\n");
  } 
  while(fgets(linie,1024,f)!=NULL)
      if (!fputs(linie,stdout)){
       printf("\nEroare la fputs");
       exit(1);
      }
  pclose(f);
  sleep(5);
  }
}