blob: 93b3e4f2a03c1dc0bae0d40967f3565402aa4599 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* ctype.h */
#define _C 1 /* control */
#define _D 2 /* digit */
#define _L 4 /* lower */
#define _P 8 /* punctuation */
#define _S 16 /* space */
#define _U 32 /* upper */
#define _UN 64 /* underline */
#define _X '\200' /* hex digit, not digit */
extern char _ctype_[];
#define _ct1_ (_ctype_+1)
#define isalnum(c) (_ct1_[c]&(_U|_L|_D))
#define isalpha(c) (_ct1_[c]&(_U|_L))
#define isascii(i) ((unsigned)(i)<=0x7f)
#define isalpha(c) (_ct1_[c]&(_U|_L))
#define iscntrl(c) (_ct1_[c]&_C)
#define iscsym(c) (_ct1_[c]&(_U|_L|_D|_UN))
#define iscsymf(c) (_ct1_[c]&(_U|_L|_UN))
#define isdigit(c) (_ct1_[c]&_D)
#define isgraph(c) (_ct1_[c]&(_U|_L|_D|_P))
#define islower(c) (_ct1_[c]&_L)
/* isodigit(i) is a function */
/* isprint(i) is a function */
#define ispunct(c) (_ct1_[c]&_P)
#define isspace(c) (_ct1_[c]&_S)
#define isupper(c) (_ct1_[c]&_U)
#define isxdigit(c) (_ct1_[c]&(_D|_X))
#define toascii(i) ((i)&0x7f)
/* toint(i) is a function */
/* tolower(i) is a function */
#define _tolower(c) ((c)+('a'-'A'))
/* toupper(i) is a function */
#define _toupper(c) ((c)+('A'-'a'))
|
