Input a string and count vowels using a function in C
Function - Question 2
In this question, we will see how to input a string and count how many vowels are there in it in C programming using a function. To know more about function click on the function lesson.
Q2) Write a program in C to input a string and count how many vowels are there in it using a function.
Program
#include <stdio.h>
#include <conio.h>
#include <string.h>
int countvowels(char str[])
{
int vc=0,i;
char ch;
for(i=0; i<strlen(str); i++)
{
ch=tolower(str[i]);
if(ch=='a' || ch=='e' || ch=='i' || ch=='o' || ch=='u')
{
vc=vc+1;
}
}
return vc;
}
int main()
{
char s[30];
printf("Enter a String: ");
gets(s);
printf("Total Number of Vowels = %d",countvowels(s));
return 0;
}Output
Enter a String: I am learning C Total Number of Vowels = 5
