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#ifndef __CTYPE

#define __CTYPE

extern int isalnum(int);

extern int isalpha(int);

extern int iscntrl(int);

extern int isdigit(int);

extern int isgraph(int);

extern int islower(int);

extern int isprint(int);

extern int ispunct(int);

extern int isspace(int);

extern int isupper(int);

extern int isxdigit(int);

extern int tolower(int);

extern int toupper(int);

#define __U     01

#define __L     02

#define __N     04

#define __S     010

#define __P     020

#define __C     040

#define __B     0100

#define __X     0200

extern unsigned char _ctype[];

#define isalnum(c)      ((_ctype+1)[c]&(__U|__L|__N))

#define isalpha(c)      ((_ctype+1)[c]&(__U|__L))

#define iscntrl(c)      ((_ctype+1)[c]&__C)

#define isdigit(c)      ((_ctype+1)[c]&__N)

#define isgraph(c)      ((_ctype+1)[c]&(__P|__U|__L|__N))

#define islower(c)      ((_ctype+1)[c]&__L)

#define isprint(c)      ((_ctype+1)[c]&(__P|__U|__L|__N|__B))

#define ispunct(c)      ((_ctype+1)[c]&__P)

#define isspace(c)      ((_ctype+1)[c]&__S)

#define isupper(c)      ((_ctype+1)[c]&__U)

#define isxdigit(c)     ((_ctype+1)[c]&__X)

#endif /* __CTYPE */