#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string.h>
FILE * createNewFile(char fname[20]){
     FILE *fpt;
     fpt = fopen(fname,"w");
     if(fpt==NULL){
               printf("Cannot open file!\n");
               exit(0);
     }
     return fpt;
}

FILE * openToAddFile(char fname[20]){
     FILE *fpt;
     fpt = fopen(fname,"a");
     if(fpt==NULL){
               printf("Cannot open file!\n");
               exit(0);
     }
     return fpt;
}

FILE * openToReadFile(char fname[20]){
     FILE *fpt;
     fpt = fopen(fname,"r");
     if(fpt==NULL){
               printf("Cannot open file!\n");
               exit(0);
     }
     return fpt;
}

void printAll(FILE *fpt){
     char ch;
     ch = getc(fpt);
     while(ch!=EOF){
        printf("%c",ch);
        ch = getc(fpt);
     }
}

int countChar(FILE *fpt){
     char ch;
     int num =0;
     ch = getc(fpt);
     while(ch!=EOF){
        num++;
        ch = getc(fpt);
     }
     return num;
}
void writeLineToFile(FILE *fpt, char str[30]){
     fprintf(fpt,"%s\n",str);
}
void readLineFromFile(FILE *fpt){
     char str[30];
     fscanf(fpt,"%s",str);
     if(feof(fpt)){
                printf("Empty\n");
     }else{
                printf("%s\n",str);
     }
}
void printWordFromFile(FILE *fpt){
     char str[30];

     do{
             fscanf(fpt,"%s",str);
             if(!feof(fpt)) printf("%s\n",str);

     }while(!feof(fpt));
}

int main(){
 FILE *fpt;
 fpt = createNewFile("test.txt");
 writeLineToFile(fpt,"12345  aa ccc ssss");
 writeLineToFile(fpt,"987565 \t XXX ZZ\nZ");
 fclose(fpt);

 fpt = openToReadFile("test.txt");
 printWordFromFile(fpt);
 fclose(fpt);
 getch();
}