shithub: femtolisp

Info • Files • Log • Branches

ref: 518cfe8d0c1a6eb4f90cdb68861fe0cd3a2e0d74
dir: /3rd/utf/utf.h/

#pragma once

enum {
	Runeself = 0x80,
	Runeerror = 0xfffd,
	Runemax = 0x10ffff,
	UTFmax = 4,
};

typedef uint32_t Rune;

int chartorune(Rune *rune, const char *str);
int runetochar(char *str, const Rune *rune);
int runenlen(const Rune *r, int nrune);
int fullrune(const char *str, int n);
int runelen(Rune c);
Rune tolowerrune(Rune c) fl_constfn;
Rune toupperrune(Rune c) fl_constfn;
Rune totitlerune(Rune c) fl_constfn;
int islowerrune(Rune c) fl_constfn;
int isupperrune(Rune c) fl_constfn;
int isalpharune(Rune c) fl_constfn;
int istitlerune(Rune c) fl_constfn;
int isspacerune(Rune c) fl_constfn;
int isdigitrune(Rune c) fl_constfn;

int utfnlen(const char *s, long m);