Programming Question

C Program to Write a Sentence to a File

#include <stdio.h>
#include <stdlib.h>
#include<conio.h>
 void main(){
   char *s;
   FILE *fw;
   clrscr();
   fw = fopen("xyz.txt","w");

Count number of vowels in file

#include <stdio.h>
#include <stdlib.h>
#include<conio.h>
void main(){
   char ch;
   int count=0;
   FILE *fp;
   clrscr();
   fp = fopen("xyz.txt","r"); // read mode
   if( fp == NULL )
   {
      printf("Error while opening the file.\n");
      getch();
      exit(0);
   }
   ...

Count number of character in file

#include <stdio.h>
#include <stdlib.h>
#include<conio.h>
void main(){
   char ch;
   int count=0;
   FILE *fp;
   clrscr();
   fp = fopen("xyz.txt","r"); // read mode
   if( fp == NULL ){
      printf("Error while opening the file.\n");
      getch();
      exit(0);
   }
   ...

Read contents from file ( Character by character )

#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
void main(){
   char ch;
   FILE *fp;
   clrscr();
   fp =fopen(“xyz.txt”,"r"); // read mode
   if( fp == NULL ){
		printf("Error while opening the file.\n");  
		getch();    
		exit(0);
   }
   ...

String copy without using String function

#include<stdio.h>
#include<conio.h>
#include<string.h>        
void main(){  
       char *s , *t ;    
       int i;      
       clrscr();      
       printf("Enter String : ");                
       scanf("%s",s);

Manish Shandilya