Notes

This module provides a couple of functions that classify characters. Although the standard library contains similar functions, they are not available in a freestanding runtime environment.

Include

ctype.h

stdbool.h

Functions

`ao_char_is_*`

#define ao_char_is_alphanumeric(x) (isalnum ((int) (x)) ? true : false)
#define ao_char_is_alphabetic(x)   (isalpha ((int) (x)) ? true : false)
#define ao_char_is_blank(x)        (isblank ((int) (x)) ? true : false)
#define ao_char_is_control(x)      (iscntrl ((int) (x)) ? true : false)
#define ao_char_is_decimal(x)      (isdigit ((int) (x)) ? true : false)
#define ao_char_is_graphical(x)    (isgraph ((int) (x)) ? true : false)
#define ao_char_is_hexadecimal(x)  (isxdigit((int) (x)) ? true : false)
#define ao_char_is_lower(x)        (islower ((int) (x)) ? true : false)
#define ao_char_is_printable(x)    (isprint ((int) (x)) ? true : false)
#define ao_char_is_punctuation(x)  (ispunct ((int) (x)) ? true : false)
#define ao_char_is_upper(x)        (isupper ((int) (x)) ? true : false)
#define ao_char_is_whitespace(x)   (isspace ((int) (x)) ? true : false)

Classifies a given character.

September 27, 2022

This page is under construction.

Contents

Notes

Include

Functions

`ao_char_is_*`

Contents