counting different characters in a string using c language | CTechnotips

COUNTING DIFFERENT CHARACTERS IN A STRING USING C PROGRAM

#include <stdio.h>

int isvowel(char chk);

int main(){

  char text[1000], chk;

  int count;

  count = 0;

  while((text[count] = getchar()) != '\n')

            count++;

  text[count] = '\0';

  count = 0;

  while ((chk = text[count]) != '\0'){

      if (isvowel(chk)){

           if((chk = text[++count]) && isvowel(chk)){

               putchar(text[count -1]);

              putchar(text[count]);

              putchar('\n');

           }

      }

      else

           ++count;

  }

  return 0;

}

int isvowel(char chk){

  if(chk == 'a' || chk == 'e' || chk == 'i' || chk == 'o' || chk == 'u')

      return 1;

  return 0;

}