Consonants and Vowels in C Improved Version

 A simple program that I wrote using C programming language to ask the user to give a string and then the program will count the number of vowels, and consonants improved version and display the results on the screen.

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My email address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com

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Program Listing

/* main.c

  Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

  www.jakerpomperada.blogspot.com and www.jakerpomperada.com

  jakerpomperada@gmail.com

  Bacolod City, Negros Occidental Philippines

  August 19, 2021   Thursday   6:26 AM

*/

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <stdbool.h>

bool is_vowel(char ch)

{

  const char vowels[] = "aeiouAEIOU";

  return strchr(vowels, ch) != NULL;

}

bool is_consonant(char ch)

{

  const char consonats[] = "bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ";

  return strchr(consonats, ch) != NULL;

}

int main()

{

  char str[100]; int i=0;

  int vowels=0,consonants=0, a = 0;

  printf("\n\n\tConsonants and Vowels in C Improved Version\n");

  printf("\nGive a String : ");

  // scanf("%s",&str); reads only till the first whitespace

  fgets(str, sizeof(str), stdin);

  char *pos = strrchr(str, '\n'); 

  // fgets sometines leaves a trailing \n in the str

  if(pos != NULL)

    pos = '\0';

  for(i=0; str[i]!='\0'; i++)

  {

    if(is_vowel(str[i]))

    {

      a++;

      vowels++;

      printf("\n %d. The Vowels is: %c",a,str[i]);

    }

    else if (is_consonant(str[i]))

    {

      a++;

      consonants++;

      printf("\n %d. The Consonant is: %c",a,str[i]);

    }

  }

  printf("\n\n\nThe Total Number of Vowels : %d",vowels);

  printf("\nThe Total Number of Consonants  : %d",consonants);

  printf("\n\n\tEnd of Program\n\n");

  return EXIT_SUCCESS;

} /* End of Code */