This documentation is copyright © 1998-2001 Sandro Sigala <sandro@sigala.it>.
All rights reserved.

Released under the GNU General Public License.

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iswalpha

Prototype

#include <wctype.h>

int iswalpha(int c);

Description

In the ``C'' locale, returns a true value for the characters for which isupper or islower is true. In other implementation-defined set of characters returns true for the characters for which none of iscntrl, isdigit, ispunct, or isspace is true.

References

ISO C 9899:1990 XXX