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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#ifndef __CHARACTER__
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#define __CHARACTER__
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#include <stdbool.h>
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#include <stdlib.h>
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/**
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* @brief Append a character to a string, assuming string points to an array
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* with enough space.
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*
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* @param string
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* @param character
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*/
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void character_append(char* string, char character);
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/**
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* @brief Append a character to a string at a specific index, assuming string points to an array with enough space.
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*
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* @param string
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* @param character
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* @param index
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*/
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void character_append_at(char* string, const char character, const size_t index);
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/**
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* @brief Converts the character to uppercase.
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*
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* @param character
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* @return const char
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*/
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char character_to_upper(const char character);
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/**
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* @brief Converts the character to lowercase.
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*
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* @param character
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* @return const char
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*/
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char character_to_lower(const char character);
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/**
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* @brief Check if the character is a digit ('0', '1', '2', '3', '4', '5', '6', '7, '8' or '9').
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*
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* @param string1
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* @param string2
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* @return true if the character is a digit, false otherwise
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*/
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bool character_get_is_digit(const char character);
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/**
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* @brief Get the position in latin alphabet of the letter (case-insensitive) from 1 to 26.
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* Return 0 if the character is not a letter.
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*
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* @param character
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* @return char
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*/
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unsigned char character_get_alphabet_position(const char character);
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#endif
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