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#ifndef _UTF_H_
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#define _UTF_H_ 1
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#pragma lib "/$M/lib/ape/libutf.a"
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#pragma src "/sys/src/ape/lib/utf"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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typedef unsigned int Rune; /* 32 bits */
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enum
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{
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UTFmax = 4, /* maximum bytes per rune */
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Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
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Runeself = 0x80, /* rune and UTF sequences are the same (<) */
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Runeerror = 0xFFFD, /* decoding error in UTF */
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Runemax = 0x10FFFF, /* 21-bit rune */
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};
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/*
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* rune routines
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*/
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extern int runetochar(char*, Rune*);
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extern int chartorune(Rune*, char*);
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extern int runelen(long);
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extern int runenlen(Rune*, int);
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extern int fullrune(char*, int);
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extern int utflen(char*);
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extern int utfnlen(char*, long);
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extern char* utfrune(char*, long);
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extern char* utfrrune(char*, long);
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extern char* utfutf(char*, char*);
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extern char* utfecpy(char*, char*, char*);
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extern Rune* runestrcat(Rune*, Rune*);
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extern Rune* runestrchr(Rune*, Rune);
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extern int runestrcmp(Rune*, Rune*);
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extern Rune* runestrcpy(Rune*, Rune*);
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extern Rune* runestrncpy(Rune*, Rune*, long);
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extern Rune* runestrecpy(Rune*, Rune*, Rune*);
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extern Rune* runestrdup(Rune*);
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extern Rune* runestrncat(Rune*, Rune*, long);
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extern int runestrncmp(Rune*, Rune*, long);
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extern Rune* runestrrchr(Rune*, Rune);
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extern long runestrlen(Rune*);
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extern Rune* runestrstr(Rune*, Rune*);
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extern Rune tolowerrune(Rune);
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extern Rune totitlerune(Rune);
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extern Rune toupperrune(Rune);
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extern int isalpharune(Rune);
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extern int islowerrune(Rune);
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extern int isspacerune(Rune);
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extern int istitlerune(Rune);
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extern int isupperrune(Rune);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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