#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
 
char FilmArray[100][50];
char Film[50], Mask[50];
int r, numberoffilms=0;  // You had taken modulo 49 what if less than 49 films are there,I have taken modulo numberofilms
 
bool PlayAgain();
void GenerateFilm();
void MaskFilm();
 
int main()
{
   char array[50];
   bool answer;
   FILE *films;
   films = fopen("filmtitles.txt", "r");
   if(films == NULL){
      printf("\n ************* ERROR *************\n");
      printf("\n \"filmtitles.txt\" cannot be opened.\n");
      printf("\n         PROGRAM TERMINATED\n");
      exit(EXIT_FAILURE);
   }
 
   while(fgets(array, sizeof array, films) != NULL){
      printf("%s\n",array);
      strcpy(FilmArray[numberoffilms], array); // see how I use strcpy
      numberoffilms++;  // Instead of i numberoffilms
   }
 
   printf("\n ************ WELCOME TO MY FILM GENIE GAME ************\n\n");
 
   do{
      printf(" Hit ENTER to generate a random film!\n");
      getchar();
 
      GenerateFilm();
      MaskFilm();
      printf("%s\n",Film);  // printing the film and mask in each random generation case
      printf("%s\n",Mask);
 
   }while(1); // runs infinitely can change if you want to ask to Hit Enter for a specific number of times
 
 
 
 
   return 0;
}
 
void GenerateFilm(){
   int r = rand() % numberoffilms; // used numbeoffilms
   strcpy(Film, FilmArray[r]); // see how I use strcpy , see use of strcpy on c++ reference site
}
 
void MaskFilm(){
   int i;
   for(i=0; i<50; i++){
      if((Film[i] >= 'a' && Film[i] <= 'z') || (Film[i] >= 'A' && Film[i] <= 'Z') || (Film[i] >= '0' && Film[i] <= '9')){
	 Mask[i] = '*';
      }
      else if(Film[i] == '.'){
	 Mask[i] = '.';
      }
      else{
	 Mask[i] = ' ';
      }
   }
}