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#ifndef _UTF_H_
#define _UTF_H_ 1
#if defined(__cplusplus)
extern "C" {
#endif
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 /* maximum rune value */
};
/* Edit .+1,/^$/ | cfn $PLAN9/src/lib9/utf/?*.c | grep -v static |grep -v __ */
int chartorune(Rune *rune, char *str);
int fullrune(char *str, int n);
int isalpharune(Rune c);
int islowerrune(Rune c);
int isspacerune(Rune c);
int istitlerune(Rune c);
int isupperrune(Rune c);
int runelen(long c);
int runenlen(Rune *r, int nrune);
Rune* runestrcat(Rune *s1, Rune *s2);
Rune* runestrchr(Rune *s, Rune c);
int runestrcmp(Rune *s1, Rune *s2);
Rune* runestrcpy(Rune *s1, Rune *s2);
Rune* runestrdup(Rune *s) ;
Rune* runestrecpy(Rune *s1, Rune *es1, Rune *s2);
long runestrlen(Rune *s);
Rune* runestrncat(Rune *s1, Rune *s2, long n);
int runestrncmp(Rune *s1, Rune *s2, long n);
Rune* runestrncpy(Rune *s1, Rune *s2, long n);
Rune* runestrrchr(Rune *s, Rune c);
Rune* runestrstr(Rune *s1, Rune *s2);
int runetochar(char *str, Rune *rune);
Rune tolowerrune(Rune c);
Rune totitlerune(Rune c);
Rune toupperrune(Rune c);
char* utfecpy(char *to, char *e, char *from);
int utflen(char *s);
int utfnlen(char *s, long m);
char* utfrrune(char *s, long c);
char* utfrune(char *s, long c);
char* utfutf(char *s1, char *s2);
#if defined(__cplusplus)
}
#endif
#endif
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