blob: e92ecb1c0b19fa958d14f9504f36c3a3fa432c20 (
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
|
#ifndef _CTYPE_H
#define _CTYPE_H
/** @file
*
* Character types
*/
FILE_LICENCE ( GPL2_OR_LATER );
#define isdigit(c) ((c) >= '0' && (c) <= '9')
#define islower(c) ((c) >= 'a' && (c) <= 'z')
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
#define isxdigit(c) (isdigit(c) || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
#define isprint(c) ((c) >= ' ' && (c) <= '~' )
static inline unsigned char tolower(unsigned char c)
{
if (isupper(c))
c -= 'A'-'a';
return c;
}
static inline unsigned char toupper(unsigned char c)
{
if (islower(c))
c -= 'a'-'A';
return c;
}
extern int isspace ( int c );
#endif /* _CTYPE_H */
|
