ref: 023a0ce70099b0cc01c0956377def3238a6a947a
dir: /libc/utf.h/
#ifndef _UTFH_ #define _UTFH_ 1 typedef unsigned int Rune; /* 32 bits */ enum { UTFmax = 4, /* maximum bytes per rune */ Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */ Runeself = 0x80, /* rune and UTF sequences are the same (<) */ Runeerror = 0xFFFD, /* decoding error in UTF */ Runemax = 0x10FFFF, /* 21-bit rune */ Runemask = 0x1FFFFF, /* bits used by runes (see grep) */ }; /* * rune routines */ extern int runetochar(char*, Rune*); extern int chartorune(Rune*, char*); extern int runelen(long); extern int runenlen(Rune*, int); extern int fullrune(char*, int); extern int utflen(char*); extern int utfnlen(char*, long); extern char* utfrune(char*, long); extern char* utfrrune(char*, long); extern char* utfutf(char*, char*); extern char* utfecpy(char*, char*, char*); extern Rune* runestrcat(Rune*, Rune*); extern Rune* runestrchr(Rune*, Rune); extern int runestrcmp(Rune*, Rune*); extern Rune* runestrcpy(Rune*, Rune*); extern Rune* runestrncpy(Rune*, Rune*, long); extern Rune* runestrecpy(Rune*, Rune*, Rune*); extern Rune* runestrdup(Rune*); extern Rune* runestrncat(Rune*, Rune*, long); extern int runestrncmp(Rune*, Rune*, long); extern Rune* runestrrchr(Rune*, Rune); extern long runestrlen(Rune*); extern Rune* runestrstr(Rune*, Rune*); extern Rune tolowerrune(Rune); extern Rune totitlerune(Rune); extern Rune toupperrune(Rune); extern int isalpharune(Rune); extern int islowerrune(Rune); extern int isspacerune(Rune); extern int istitlerune(Rune); extern int isupperrune(Rune); #endif