| 2 |
- |
1 |
#define _U 01
|
|
|
2 |
#define _L 02
|
|
|
3 |
#define _N 04
|
|
|
4 |
#define _S 010
|
|
|
5 |
#define _P 020
|
|
|
6 |
#define _C 040
|
|
|
7 |
#define _X 0100
|
|
|
8 |
#define _O 0200
|
|
|
9 |
|
|
|
10 |
extern unsigned char _cbtype_[]; /* in /usr/src/libc/gen/ctype_.c */
|
|
|
11 |
|
|
|
12 |
#define isop(c) ((_cbtype_+1)[c]&_O)
|
|
|
13 |
#define isalpha(c) ((_cbtype_+1)[c]&(_U|_L))
|
|
|
14 |
#define isupper(c) ((_cbtype_+1)[c]&_U)
|
|
|
15 |
#define islower(c) ((_cbtype_+1)[c]&_L)
|
|
|
16 |
#define isdigit(c) ((_cbtype_+1)[c]&_N)
|
|
|
17 |
#define isxdigit(c) ((_cbtype_+1)[c]&(_N|_X))
|
|
|
18 |
#define isspace(c) ((_cbtype_+1)[c]&_S)
|
|
|
19 |
#define ispunct(c) ((_cbtype_+1)[c]&_P)
|
|
|
20 |
#define isalnum(c) ((_cbtype_+1)[c]&(_U|_L|_N))
|
|
|
21 |
#define isprint(c) ((_cbtype_+1)[c]&(_P|_U|_L|_N))
|
|
|
22 |
#define iscntrl(c) ((_cbtype_+1)[c]&_C)
|
|
|
23 |
#define isascii(c) ((unsigned)(c)<=0177)
|
|
|
24 |
#define toupper(c) ((c)-'a'+'A')
|
|
|
25 |
#define tolower(c) ((c)-'A'+'a')
|
|
|
26 |
#define toascii(c) ((c)&0177)
|