1 #ifndef _CTYPE_H
2 #define _CTYPE_H
3
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7
8 #include <features.h>
9
10 int isalnum(int);
11 int isalpha(int);
12 int isblank(int);
13 int iscntrl(int);
14 int isdigit(int);
15 int isgraph(int);
16 int islower(int);
17 int isprint(int);
18 int ispunct(int);
19 int isspace(int);
20 int isupper(int);
21 int isxdigit(int);
22 int tolower(int);
23 int toupper(int);
24
25 #ifndef __cplusplus
__isspace(int _c)26 static __inline int __isspace(int _c)
27 {
28 return _c == ' ' || (unsigned)_c-'\t' < 5;
29 }
30
31 #define isalpha(a) (0 ? isalpha(a) : (((unsigned)(a)|32)-'a') < 26)
32 #define isdigit(a) (0 ? isdigit(a) : ((unsigned)(a)-'0') < 10)
33 #define islower(a) (0 ? islower(a) : ((unsigned)(a)-'a') < 26)
34 #define isupper(a) (0 ? isupper(a) : ((unsigned)(a)-'A') < 26)
35 #define isprint(a) (0 ? isprint(a) : ((unsigned)(a)-0x20) < 0x5f)
36 #define isgraph(a) (0 ? isgraph(a) : ((unsigned)(a)-0x21) < 0x5e)
37 #define isspace(a) __isspace(a)
38 #endif
39
40
41 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
42 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
43 || defined(_BSD_SOURCE)
44
45 #define __NEED_locale_t
46 #include <bits/alltypes.h>
47
48 int isalnum_l(int, locale_t);
49 int isalpha_l(int, locale_t);
50 int isblank_l(int, locale_t);
51 int iscntrl_l(int, locale_t);
52 int isdigit_l(int, locale_t);
53 int isgraph_l(int, locale_t);
54 int islower_l(int, locale_t);
55 int isprint_l(int, locale_t);
56 int ispunct_l(int, locale_t);
57 int isspace_l(int, locale_t);
58 int isupper_l(int, locale_t);
59 int isxdigit_l(int, locale_t);
60 int tolower_l(int, locale_t);
61 int toupper_l(int, locale_t);
62
63 int isascii(int);
64 int toascii(int);
65 #define _tolower(a) ((a)|0x20)
66 #define _toupper(a) ((a)&0x5f)
67 #ifndef __cplusplus
68 #define isascii(a) (0 ? isascii(a) : (unsigned)(a) < 128)
69 #endif
70
71 #endif
72
73 #ifdef __cplusplus
74 }
75 #endif
76
77 #endif
78