C Program example to count the number of vowels in given string

C Program to count the number of vowels in given string ,

C Program accept the character and find the occurrence in given string and count frequency,

C Program to count the number of vowels in given string

#include

#include

int vowel (int len);

charstr[50];

int main ()

{

int ans1, ans2, len;

clrscr ();

printf ("Enter your string: ");

gets (str);

len = strlen (str);

ans1 = vowel (len);

printf ("Total vowels are: %d", ans1);

getch ();

return (0);

}

int vowel (int len)

{

int count;

if (len == 1)

          return count;

else if (str[len-1] == 'A' || str[len-1] == 'a' || str[len-1] == 'E' || str[len-1] == 'e' || str[len-1] == 'I' || str[len-1] == 'i' || str[len-1] == 'O' || str[len-1] == 'o' || str[len-1] == 'U' || str[len-1] == 'u')

{

          count++;

}

else

{

          vowel (len-1);

}

}