Ποιο από τα συμπεράσματα, που αφορούν στη λειτουργία του ακόλουθου προγράμματος, είναι λανθασμένο;

            #include <stdio.h>

            #include <conio.h>

            #include <stdlib.h>

            main()

            {

                        FILE *fptr;

                        char ch,string[81];

                        int white=1;

                        int count=0;

                        if ((fptr=fopen("file1.txt","r")) = =NULL)

                        {

                                    printf("ERROR: can't open file");

                                    exit(1);

                        }

                        while ((ch=getc(fptr))!=EOF)

                        {

                                    switch(ch)

                                    {

                                                case ' ':

                                                case '\t':

                                                case '\n':

                                                            white++;

                                                break;

                                                default:

                                                            if (white)

                                                            {

                                                                        white=0;   

                                                                        count++;

                                                            }

                                                break;

                                    }

                        }

                        fclose(fptr);

                        printf("The file contains %d words\n",count);

            }