Juskr04

#include <sys/mman.h>
#include <stdint.h>
#include <stddef.h>
#include <sanitizer/asan_interface.h>
#include "./stdint.h"

typedef struct
{
    u8  *arena_start_pos;
    size_t size;//total bytes allocated for the arena

Juskr04

int calculate_key_size(char argv[]); // returns size of key 
int is_alphabet_arr(char argv[]); // checks whether all elements of an array are alphabets
int is_alphabet_char(char a); // checks whether a character is an alphabet
int repeat_letter_check(char argv[]); // checks whether a letter repeats in an array
int alphabet_case_check(char a); // returns 0 for lowercase and 1 for uppercase

int calculate_key_size(char argv[]){
	int i = 0;
	int key_size = 0;
	while(argv[i] != '\0'){

Juskr04

#include<stdio.h>
#include"functions.c"

int check_key_validity(char argv[]); // checks whether the key given by the user is valid or not according to constraints

int main(int argc, char* argv[]){
	if(argc != 2){
		printf("Usage : ./program_name key");
		return 1;
	}

Juskr04

#include<stdio.h>

int calculate_key_size(char argv[]); // returns size of key 
int is_alphabet_arr(char argv[]); // checks whether all elements of an array are alphabets
int is_alphabet_char(char a); // checks whether a character is an alphabet
int repeat_letter_check(char argv[]); // checks whether a letter repeats in an array
int check_key_validity(char argv[]); // checks whether the key given by the user is valid or not according to constraints
int case_check(char a); // returns 0 for lowercase and 1 for uppercase