Module: libc.ctype

Source: ./libc/ctype.reef

Overview

libc.ctype - C character type functions (FFI)

Direct access to C's ctype.h functions for performance-critical code. For pure Reef implementations, use core.chars instead.

Functions

fn toupper(c: int): int

fn tolower(c: int): int

fn isalpha(c: int): int

fn isdigit(c: int): int

fn isalnum(c: int): int

fn isspace(c: int): int

fn isupper(c: int): int

fn islower(c: int): int

fn isprint(c: int): int

fn ispunct(c: int): int

fn toupper(c: char): char

Converts lowercase letter to uppercase Non-lowercase characters are returned unchanged

fn tolower(c: char): char

Converts uppercase letter to lowercase Non-uppercase characters are returned unchanged

fn isalpha(c: char): int

Returns non-zero if c is an alphabetic character

fn isdigit(c: char): int

Returns non-zero if c is a digit ('0'-'9')

fn isalnum(c: char): int

Returns non-zero if c is alphanumeric

fn isspace(c: char): int

Returns non-zero if c is whitespace

fn isupper(c: char): int

Returns non-zero if c is uppercase

fn islower(c: char): int

Returns non-zero if c is lowercase

fn isprint(c: char): int

Returns non-zero if c is printable

fn ispunct(c: char): int

Returns non-zero if c is punctuation

Generated by reefc doc