Write a program to count the number of words, lines and characters in a text.

Write a program to count the number of words, lines and characters in a text.

Ans. :
Program finding number of words, blank spaces, special symbols, digits, vowels using pointers.*/
#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
#include<conio.h>
#define low 1 /*low implies that position of pointer is within a word*/
#define high 0 /*high implies that position of pointer is out of word.*/
void main()
{
int nob,now,nod,nov,nos,pos=high;
char *s;
nob=now=nod=nov=nos=0;
clrscr();
printf("Enter any string:");
gets(s);
while(*s!='\0')
{
if(*s==' ')  /* counting number of blank spaces. */
{
pos=high;
++nob;
}
else if(pos==high) /* counting number of words. */
{
pos=low;
++now;
}
if(isdigit(*s))   /* counting number of digits. */
++nod;
if(isalpha(*s))    /* counting number of vowels */
switch(*s)
{
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
case 'A':
case 'E':
case 'I':
case 'O':
case 'U':
++nov;
break;
}

 if(!isdigit(*s)&&!isalpha(*s))
++nos;         /* counting number of special characters */
s++;
}
printf("\nNumber of words %d",now);
printf("\nNumber of spaces %d",nob);
printf("\nNumber of vowels %d",nov);
printf("\nNumber of digits %d",nod);
printf("\nNumber of special characters %d",nos);
getch();