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