text: #include<stdio.h>
  #include <stdlib.h>
  #include <sys/stat.h>
  #include "../include/tui.h"
  
  int used_energy = 0;
  
  int tui()
  {
  
  	//Desing of the tui main interface
  
  	printf("\nWelcome to Pepe's Gas Company\n");
  	printf("\n");
  	printf("Amount of KW to employ: ");
  	scanf("%i", &used_energy);
  	
  	printf("\n");
  	printf("Choose an option: ");
  	printf("\n1. New gas installation\n");
  	printf("2. Hire more quantity\n");
    printf("3. Delete user keys\n");
  	printf("Option: ");
  
  	return 0;
  }
  
  
  int tui2()
  {
  	
  	//Desing of the second tui interface
  
  	printf("\n");
  	printf("Costumer type: \n");
  	printf("1. Company\n");
  	printf("2. Individual\n");
  	printf("3. Retired\n");
  	printf("Option: ");
  
  	return 0;
  }
  