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Test a wide character to see if it's a decimal digit
#include <wctype.h>
int iswdigit( wint_t wc );
- wc
- The wide character that you want to test.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The iswdigit() function tests if the argument wc is a
decimal digit wide character of the class digit.
In the C locale, this class consists of the characters 0 through
9.
A nonzero value if the character is a member of the class
digit, or 0 otherwise.
ANSI,
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
The result is valid only for wchar_t arguments and
WEOF.
isdigit(),
iswalnum(),
iswalpha(),
iswcntrl(),
iswctype(),
iswgraph(),
iswlower(),
iswprint(),
iswpunct(),
iswspace(),
iswupper(),
iswxdigit(),
setlocale()
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