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convertor.h

#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <stdio.h>
#include <limits.h>

int char_to_value (char ch);

int *number_to_array (char *number);

int is_valid_number (int *digits, int basement);

unsigned int convert_to_ten_base (int *digits, int base, int *err);

char *convert_from_ten_base (unsigned int value, int base);