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36 lines
616 B
C
36 lines
616 B
C
#ifndef __STRING__
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#define __STRING__
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#define ALPHABET_LENGTH 26
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#define ALPHABET "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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/**
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* @brief Return the length of a string (excluding '\0').
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*
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* @param string
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*/
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size_t string_get_length(const char* string);
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/**
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* @brief Shift the alphabet by a given amount.
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*
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* @param shift
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* @return char*
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*/
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char* string_shift_alphabet(int shift);
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/**
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* @brief Encrypts a string using the Caesar cipher.
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*
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* @param string
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* @param shift
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* @return char*
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*/
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char* string_caesar_cipher(char* string, int shift);
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#endif
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