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	utf.h - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	utf.h (1587B)
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	1 #ifndef _UTF_H_
	2 #define _UTF_H_ 1
	3 #if defined(__cplusplus)
	4 extern "C" {
	5 #endif
	6
	7 typedef unsigned int Rune; /* 32 bits */
	8
	9 enum
	10 {
	11 UTFmax = 4, /* maximum bytes per r…
	12 Runesync = 0x80, /* cannot represent part …
	13 Runeself = 0x80, /* rune and UTF sequences…
	14 Runeerror = 0xFFFD, /* decoding error in UTF */
	15 Runemax = 0x10FFFF /* maximum rune value */
	16 };
	17
	18 /* Edit .+1,/^$/ \| cfn $PLAN9/src/lib9/utf/?*.c \| grep -v static \|grep -…
	19 int chartorune(Rune rune, char str);
	20 int fullrune(char *str, int n);
	21 int isalpharune(Rune c);
	22 int islowerrune(Rune c);
	23 int isspacerune(Rune c);
	24 int istitlerune(Rune c);
	25 int isupperrune(Rune c);
	26 int runelen(long c);
	27 int runenlen(Rune *r, int nrune);
	28 Rune* runestrcat(Rune s1, Rune s2);
	29 Rune* runestrchr(Rune *s, Rune c);
	30 int runestrcmp(Rune s1, Rune s2);
	31 Rune* runestrcpy(Rune s1, Rune s2);
	32 Rune* runestrdup(Rune *s) ;
	33 Rune* runestrecpy(Rune s1, Rune es1, Rune *s2);
	34 long runestrlen(Rune *s);
	35 Rune* runestrncat(Rune s1, Rune s2, long n);
	36 int runestrncmp(Rune s1, Rune s2, long n);
	37 Rune* runestrncpy(Rune s1, Rune s2, long n);
	38 Rune* runestrrchr(Rune *s, Rune c);
	39 Rune* runestrstr(Rune s1, Rune s2);
	40 int runetochar(char str, Rune rune);
	41 Rune tolowerrune(Rune c);
	42 Rune totitlerune(Rune c);
	43 Rune toupperrune(Rune c);
	44 char* utfecpy(char to, char e, char *from);
	45 int utflen(char *s);
	46 int utfnlen(char *s, long m);
	47 char* utfrrune(char *s, long c);
	48 char* utfrune(char *s, long c);
	49 char* utfutf(char s1, char s2);
	50
	51 #if defined(__cplusplus)
	52 }
	53 #endif
	54 #endif