blob: 12613c7a1c6f641d89d5507e9eb5359668fcd340 (
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
|
/*
FUNCTION
<<iswalnum>>---alpha-numeric wide-character test
INDEX
iswalnum
ANSI_SYNOPSIS
#include <wctype.h>
int iswalnum(wint_t <[c]>);
TRAD_SYNOPSIS
#include <wctype.h>
int iswalnum(<[c]>)
wint_t <[c]>;
DESCRIPTION
<<iswalnum>> is a function which classifies wide-character values that
are alpha-numeric.
RETURNS
<<iswalnum>> returns non-zero if <[c]> is a alpha-numeric wide-character.
PORTABILITY
<<iswalnum>> is C99.
No supporting OS subroutines are required.
*/
#include <_ansi.h>
#include <wctype.h>
int
_DEFUN(iswalnum,(c),wint_t c)
{
return (iswalpha (c) || iswdigit (c));
}
|
