Subversion Repositories openrisc_2011-10-31

/*

FUNCTION

        <<iswxdigit>>---hexadecimal digit wide character test

INDEX

        iswxdigit

ANSI_SYNOPSIS

        #include <wctype.h>

        int iswxdigit(wint_t <[c]>);

TRAD_SYNOPSIS

        #include <wctype.h>

        int iswxdigit(<[c]>)

        wint_t <[c]>;

DESCRIPTION

<<iswxdigit>> is a function which classifies wide character values that

are hexadecimal digits.

RETURNS

<<iswxdigit>> returns non-zero if <[c]> is a hexadecimal digit wide character.

PORTABILITY

<<iswxdigit>> is C99.

No supporting OS subroutines are required.

*/

#include <_ansi.h>

#include <wctype.h>

int

_DEFUN(iswxdigit,(c), wint_t c)

{

  return ((c >= (wint_t)'0' && c <= (wint_t)'9') ||

          (c >= (wint_t)'a' && c <= (wint_t)'f') ||

          (c >= (wint_t)'A' && c <= (wint_t)'F'));

}