Simple Program for Count Vowels String using Pointer in C

About this program

This is an example program in c pointer example programs. Read the concept first: C Pointers, then study the code and output below.

Simple Program for Count vowels String Using Pointer

/* Simple Program for Count vowels String Using Pointer in C*/
/* Print Pointer Address Program,C Pointer Examples */

#include<stdio.h>

int main() {
  char str[20], *pt;
  int i = 0, c = 0;
  printf("Pointer Example Program : Count Vowels In String \n");
  printf("\nEnter Any string in small [below 20 chars] : ");
  gets(str);
  pt = str;
  while (*pt != '\0') {
    if (*pt == 'a' || *pt == 'e' || *pt == 'i' || *pt == 'o' || *pt == 'u')
      c++;
    i++;
    pt++;
  }
  printf("\nLength of String : %d", i);
  printf("\nVowels Count In the String : %d", c);
  printf("\nConstant Count in the String : %d", (i - c));

  return 0;
}

Sample Output

Pointer Example Program : Count Vowels In String

Enter Any string in small [below 20 chars] : pointer

Length of String : 7
Vowels Count In the String : 3
Constant Count in the String : 4

Related Pages

Learn the concept first, then study the code:

• C Programs — Browse all C Programs.
• C Pointers — Concept — pointers, addresses and dereferencing.
• Simple Pointer Example Program — More in c pointer example programs.
• Simple Program for Print address of Variable Using Pointer in C — More in c pointer example programs.