Counting vowels and consonants in a sentence

In this recipe, you will learn how to count the number of vowels and consonants in an entered sentence. The vowels are a, e, i, o, and u, and the rest of the letters are consonants. We will use ASCII values to identify the letters and their casing:

Figure 2.11

The blank spaces, numbers, special characters, and symbols will simply be ignored. 

How to do it…

1. Create a string array called str to input your sentence. As usual, the last character will be a null character:

char str[255];

2. Define two variables, ctrV and ctrC:

int  ctrV,ctrC;

3. Prompt the user to enter a sentence of your choice:

printf("Enter a sentence: &quot...