/* STDIO.H */
#define	_NFILE		(0x10)
#define	BUFSIZ		(0x200)
typedef	struct FILE {
	short	_file,_flag;
	char	*_base,*_ptr;
	short	_cnt;
	} FILE;
extern	FILE _iob[_NFILE];
#define	_IOREAD		(0x01)
#define	_IOWRT		(0x02)
#define	_IONBF		(0x04)
#define	_IOEOF		(0x20)
#define	_IOERR		(0x40)
#define	stdin		(&_iob[0])
#define	stdout		(&_iob[1])
#define	stderr		(&_iob[2])
#define	getc(s)		(--(s)->_cnt>=0?(short)*(s)->_ptr++:_filbuf(s))
#define	putc(c,s)	(--(s)->_cnt>=0?(short)(*(s)->_ptr++=(char)(c)):_flsbuf((char)(c),(s)))
#define	getchar()	getc(stdin)
#define	putchar(c)	putc((c),stdout)
#define	feof(s)		((s)->_flag&_IOEOF)
#define	ferror(s)	((s)->_flag&_IOERR)
#define	fileno(s)	((s)->_file)
#define	clearerr(s)	((s)->_flag&=~(_IOERR|_IOEOF))
extern	FILE	*fopen(),*fopena(),*fopenb(),*freopen();
extern	FILE	*freopa(),*freopb(),*fdopen();
extern	char	*fgets(),*gets(),*sbrk(),*malloc(),*calloc(),*realloc();
extern	char	*ftoa(),*etoa(),*getpass(),*index(),*rindex();
extern	char	*mktemp(),*sprintf(),*strcat(),*strncat();
extern	char	*strcpy(),*strncpy(),*ttyname();
extern	long	ftell(),getl(),lseek(),tell(),atol(),putl();
extern	float	atof(),ceil(),cos(),sin(),exp(),fabs(),floor();
extern	float	fmod(),log(),pow(),sinh(),tanh(),sqrt(),tan(),atan();
/* CTYPE.H */
#define	_C	0x01
#define	_P	0x02
#define	_N	0x04
#define	_U	0x08
#define	_L	0x10
#define	_S	0x20
#define	_B	0x40
#define	_X	0x80
extern	char __atab[];
#define	isalpha(c)	(__atab[c]&(_U|_L))
#define	isupper(c)	(__atab[c]&_U)
#define	islower(c)	(__atab[c]&_L)
#define	isdigit(c)	(__atab[c]&_N)
#define	isxdigit(c)	(__atab[c]&_X)
#define	isalnum(c)	(__atab[c]&(_U|_L|_N))
#define	isspace(c)	(__atab[c]&_S)
#define	ispunct(c)	(__atab[c]&_P)
#define	isprint(c)	(__atab[c]&(_P|_U|_L|_N|_B))
#define	isgraph(c)	(__atab[c]&(_P|_U|_L|_N))
#define	iscntrl(c)	(__atab[c]&_C)
#define	isascii(c)	((char)(c)<0x80)
#define	_toupper(c)	((c)-'a'+'A')
#define	_tolower(c)	((c)-'A'+'a')
#define	toupper(c)	_toupper(c)
#define	tolower(c)	_tolower(c)
#define	toascii(c)	((c)&0x7F)