//1) Write a function that takes as an argument a pointer to a text file, and returns the number of
                //characters in that file.

                #include<stdio.h>
                #include<stdlib.h>
                #include<string.h>
                int main()
                {
                    char str[100];
                    FILE *file;
                    if((file=fopen("d:\\text\\file.txt","r")) != NULL)
                    {
                        //fgets(str,100,file);
                        fscanf(file,"%s",str);
                        fclose(file);
                        printf("the number of characters in that file = %d\n",strlen(str));
                    }
                    else
                        printf(" File does not found or error in opening");
                    return 0;
                }