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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 */
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