iswalpha()

Test a wide character to see if it's alphabetic

Synopsis:

#include <wctype.h>

int iswalpha( wint_t wc );

Arguments:

wc

The wide character you want to test.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The iswalpha() function tests if the argument wc is an alphabetic wide character of the class alpha. In the C locale, they are: a to z, A to Z.

Returns:

A nonzero value if the character is a member of the class alpha, or 0 otherwise.

Classification:

ANSI, POSIX 1003.1

Caveats:

The result is valid only for wchar_t arguments and WEOF.

See also:

setlocale()

"Character manipulation functions" and "Wide-character functions" in the summary of functions chapter.