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/* isxdigit example */
#include <stdio.h>
#include <wchar.h>
#include <wctype.h>
int main ()
{
wchar_t str[] = L"ffff";
long int number;
if (iswxdigit(str[0]))
{
number = wcstol (str,NULL,16);
wprintf (L"The hexadecimal number %lx is %ld.\n",number,number);
}
return 0;
}
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