C Program to Check Whether a given Character Is Vowel or Consonant

In this post, you will be able to learn various methods to check the entered character is vowel or consonant using C Programming language.

C Program to Check Vowel or Consonant using Switch Statement

In the below example program capital and small case letters are checked for vowel or consonant. The user has to enter only characters only.

Program

#include<stdio.h>
int main()
{
  char var;
  printf("Enter a character\n");
  scanf("%c",&var);
  switch(var)
  {
    case 'a||A':
    case 'e||E':
    case 'i||I':
    case 'o||O':
    case 'u||U':
    printf("Entered character is vowel\n");
    break;
    default: printf("Entered character is Consonant\n");
}
return 0;
} 

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Output

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Code Explanation

First, declare a variable of type char. Using printf() function ask the user to enter a character. Using scanf() function, read an input character.

The switch statement checks the character is vowel or not.

If an entered character is vowel then print the statement “Entered character is a vowel. otherwise, print the statement “Entered character is Consonant” in the default block.

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C Program to Check Vowel or Consonant using if-else

Program

#include<stdio.h>
int main()
{
  char var;
  printf("Enter a character\n");
  scanf("%c",&var);
  if (var == 'a' || var == 'A' || var == 'e' || var == 'E' || var == 'i' || var == 'I' || var =='o' || var=='O' || var == 'u' || var == 'U')
      printf("given character is vowel\n");
  else
      printf("given character isn't a vowel\n");
  return 0;
}  
 

Output

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Code Explanation

First, declare a variable of type char. Using printf() function ask the user to enter a character. Using scanf() function, read an input character.

The if-else statement checks the character is vowel or not.

If an entered character is vowel then print the statement “given character is a vowel. otherwise, print the statement “given character is Consonant” in the default block.

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