38 lines
613 B
C
38 lines
613 B
C
/*
|
|
FUNCTION
|
|
<<iswdigit>>---decimal digit wide-character test
|
|
|
|
INDEX
|
|
iswdigit
|
|
|
|
ANSI_SYNOPSIS
|
|
#include <wctype.h>
|
|
int iswdigit(wint_t <[c]>);
|
|
|
|
TRAD_SYNOPSIS
|
|
#include <wctype.h>
|
|
int iswdigit(<[c]>)
|
|
wint_t <[c]>;
|
|
|
|
DESCRIPTION
|
|
<<iswdigit>> is a function which classifies wide-character values that
|
|
are decimal digits.
|
|
|
|
RETURNS
|
|
<<iswdigit>> returns non-zero if <[c]> is a decimal digit wide-character.
|
|
|
|
PORTABILITY
|
|
<<iswdigit>> is C99.
|
|
|
|
No supporting OS subroutines are required.
|
|
*/
|
|
#include <_ansi.h>
|
|
#include <wctype.h>
|
|
|
|
int
|
|
_DEFUN(iswdigit,(c), wint_t c)
|
|
{
|
|
return (c >= (wint_t)'0' && c <= (wint_t)'9');
|
|
}
|
|
|