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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 _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 isalpha(c) ((__ctype + 1)[c] & (_U | _L))
#define isupper(c) ((__ctype + 1)[c] & _U)
#define islower(c) ((__ctype + 1)[c] & _L)
#define isdigit(c) ((__ctype + 1)[c] & _N)
#define isxdigit(c) ((__ctype + 1)[c] & _X)
#define isalnum(c) ((__ctype + 1)[c] & (_U | _L | _N))
#define isspace(c) ((__ctype + 1)[c] & _S)
#define ispunct(c) ((__ctype + 1)[c] & _P)
#define isprint(c) ((__ctype + 1)[c] & (_P | _U | _L | _N | _B))
#define isgraph(c) ((__ctype + 1)[c] & (_P | _U | _L | _N))
#define iscntrl(c) ((__ctype + 1)[c] & _C)
#endif /* __CTYPE */
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