#pragma	src	"/sys/src/libc/port"#pragma	lib	"libc.a" #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[(unsigned char)(c)]&(_U|_L))#define	isupper(c)	(_ctype[(unsigned char)(c)]&_U)#define	islower(c)	(_ctype[(unsigned char)(c)]&_L)#define	isdigit(c)	(_ctype[(unsigned char)(c)]&_N)#define	isxdigit(c)	(_ctype[(unsigned char)(c)]&_X)#define	isspace(c)	(_ctype[(unsigned char)(c)]&_S)#define	ispunct(c)	(_ctype[(unsigned char)(c)]&_P)#define	isalnum(c)	(_ctype[(unsigned char)(c)]&(_U|_L|_N))#define	isprint(c)	(_ctype[(unsigned char)(c)]&(_P|_U|_L|_N|_B))#define	isgraph(c)	(_ctype[(unsigned char)(c)]&(_P|_U|_L|_N))#define	iscntrl(c)	(_ctype[(unsigned char)(c)]&_C)#define	isascii(c)	((unsigned char)(c)<=0177)#define	_toupper(c)	((c)-'a'+'A')#define	_tolower(c)	((c)-'A'+'a')#define	toascii(c)	((c)&0177)