Create a C program that counts and categorizes characters in a given input string. The program will count the total number of alphabets, digits, uppercase alphabets, and vowels in the input string. The C program provided in this assignment accomplishes the following tasks: -Takes a single command-line argument, which is the input string to be analyzed.
1. Create a C program that counts and categorizes characters in a given input string. The
program will count the total number of alphabets, digits, uppercase alphabets, and
vowels in the input string.
The C program provided in this assignment accomplishes the following tasks:
-Takes a single command-line argument, which is the input string to be analyzed.
-Utilizes user-defined functions for character classification and counting.
-Implements both while and for loops for character counting tasks, demonstrating a
range of loop control structures.
-Displays the following information about the input string:
-The total number of alphabets.
-The total number of digits.
-The total number of uppercase alphabets.
-The total number of vowels (both uppercase and lowercase).
The program consists of the following key components:
Function Definitions: The program defines four user-defined functions for character
counting, each corresponding to a specific task:
-countAlphabets: Counts alphabets in the input string using a while loop.
-countDigits: Counts digits in the input string using a while loop.
-countUppercase: Counts uppercase alphabets in the input string using a for loop.
-countVowels: Counts vowels (both uppercase and lowercase) using a for loop.
Main Function: The main function handles command-line argument processing invokes the
user-defined functions and displays the results.
Input Validation: The program checks if there is exactly one command-line argument
provided. If not, it displays a usage message and exits with an error code.
Character Classification: Character classification is done by manually comparing character
values to determine whether they are alphabets, digits, uppercase letters, or vowels
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