ctype.h File Reference

Go to the source code of this file.

Defines
#define	_U   0x01
	upper
#define	_L   0x02
	lower
#define	_D   0x04
	digit
#define	_C   0x08
	cntrl
#define	_P   0x10
	punct
#define	_S   0x20
	white space (space/lf/tab)
#define	_X   0x40
	hex digit
#define	_SP   0x80
	hard space (0x20)
#define	isalnum(c)   ((_ctype+1)[c]&(_U|_L|_D))
#define	isalpha(c)   ((_ctype+1)[c]&(_U|_L))
#define	iscntrl(c)   ((_ctype+1)[c]&(_C))
#define	isdigit(c)   ((_ctype+1)[c]&(_D))
#define	isgraph(c)   ((_ctype+1)[c]&(_P|_U|_L|_D))
#define	islower(c)   ((_ctype+1)[c]&(_L))
#define	isprint(c)   ((_ctype+1)[c]&(_P|_U|_L|_D|_SP))
#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]&(_D|_X))
#define	isascii(c)   (((unsigned) c)<=0x7f)
#define	toascii(c)   (((unsigned) c)&0x7f)
#define	tolower(c)   (_ctmp=c,isupper(_ctmp)?_ctmp-('A'-'a'):_ctmp)
#define	toupper(c)   (_ctmp=c,islower(_ctmp)?_ctmp-('a'-'A'):_ctmp)
Variables
unsigned char	_ctype []
char	_ctmp

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Define Documentation

#define _C   0x08

cntrl

Definition at line 7 of file ctype.h.

#define _D   0x04

digit

Definition at line 6 of file ctype.h.

#define _L   0x02

lower

Definition at line 5 of file ctype.h.

#define _P   0x10

punct

Definition at line 8 of file ctype.h.

#define _S   0x20

white space (space/lf/tab)

Definition at line 9 of file ctype.h.

#define _SP   0x80

hard space (0x20)

Definition at line 11 of file ctype.h.

#define _U   0x01

upper

Definition at line 4 of file ctype.h.

#define _X   0x40

hex digit

Definition at line 10 of file ctype.h.

#define isalnum

(

c

)

((_ctype+1)[c]&(_U|_L|_D))

Definition at line 16 of file ctype.h.

#define isalpha

(

c

)

((_ctype+1)[c]&(_U|_L))

Definition at line 17 of file ctype.h.

#define isascii

(

c

)

(((unsigned) c)<=0x7f)

Definition at line 28 of file ctype.h.

#define iscntrl

(

c

)

((_ctype+1)[c]&(_C))

Definition at line 18 of file ctype.h.

#define isdigit

(

c

)

((_ctype+1)[c]&(_D))

Definition at line 19 of file ctype.h.

#define isgraph

(

c

)

((_ctype+1)[c]&(_P|_U|_L|_D))

Definition at line 20 of file ctype.h.

#define islower

(

c

)

((_ctype+1)[c]&(_L))

Definition at line 21 of file ctype.h.

#define isprint

(

c

)

((_ctype+1)[c]&(_P|_U|_L|_D|_SP))

Definition at line 22 of file ctype.h.

#define ispunct

(

c

)

((_ctype+1)[c]&(_P))

Definition at line 23 of file ctype.h.

#define isspace

(

c

)

((_ctype+1)[c]&(_S))

Definition at line 24 of file ctype.h.

#define isupper

(

c

)

((_ctype+1)[c]&(_U))

Definition at line 25 of file ctype.h.

#define isxdigit

(

c

)

((_ctype+1)[c]&(_D|_X))

Definition at line 26 of file ctype.h.

#define toascii

(

c

)

(((unsigned) c)&0x7f)

Definition at line 29 of file ctype.h.

#define tolower

(

c

)

(_ctmp=c,isupper(_ctmp)?_ctmp-('A'-'a'):_ctmp)

Definition at line 31 of file ctype.h.

#define toupper

(

c

)

(_ctmp=c,islower(_ctmp)?_ctmp-('a'-'A'):_ctmp)

Definition at line 32 of file ctype.h.

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Variable Documentation

char _ctmp

unsigned char _ctype[]

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