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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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 */
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