Enrico Fraccaroli (Galfurian)
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/// @file ctype.h
|
|
/// @brief Functions related to character handling.
|
|
/// @copyright (c) 2014-2024 This file is distributed under the MIT License.
|
|
/// See LICENSE.md for details.
|
|
|
|
#pragma once
|
|
|
|
/// @brief Check if the given value is a digit.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int isdigit(int c);
|
|
|
|
/// @brief Check if the given value is a letter.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int isalpha(int c);
|
|
|
|
/// @brief Check if the given value is a control character.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int iscntrl(int c);
|
|
|
|
/// @brief Check if the given value is either a letter or a digit.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int isalnum(int c);
|
|
|
|
/// @brief Check if the given value is an hexadecimal digit.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int isxdigit(int c);
|
|
|
|
/// @brief Check if the given value is a lower case letter.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int islower(int c);
|
|
|
|
/// @brief Check if the given value is an upper case letter.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int isupper(int c);
|
|
|
|
/// @brief Transforms the given value into a lower case letter.
|
|
/// @param c The input letter.
|
|
/// @return The input letter turned into a lower case letter.
|
|
int tolower(int c);
|
|
|
|
/// @brief Transforms the given value into an upper case letter.
|
|
/// @param c The input letter.
|
|
/// @return The input letter turned into an upper case letter.
|
|
int toupper(int c);
|
|
|
|
/// @brief Check if the given value is a whitespace.
|
|
/// @param c The input character.
|
|
/// @return 1 on success, 0 otherwise.
|
|
int isspace(int c);
|