#include <string.h>
#include <wctype.h>

#define WCTYPE_ALNUM 1
#define WCTYPE_ALPHA 2
#define WCTYPE_BLANK 3
#define WCTYPE_CNTRL 4
#define WCTYPE_DIGIT 5
#define WCTYPE_GRAPH 6
#define WCTYPE_LOWER 7
#define WCTYPE_PRINT 8
#define WCTYPE_PUNCT 9
#define WCTYPE_SPACE 10
#define WCTYPE_UPPER 11
#define WCTYPE_XDIGIT 12

int iswctype(wint_t wc, wctype_t type) {
    switch (type) {
    case WCTYPE_ALNUM:
        return iswalnum(wc);
    case WCTYPE_ALPHA:
        return iswalpha(wc);
    case WCTYPE_BLANK:
        return iswblank(wc);
    case WCTYPE_CNTRL:
        return iswcntrl(wc);
    case WCTYPE_DIGIT:
        return iswdigit(wc);
    case WCTYPE_GRAPH:
        return iswgraph(wc);
    case WCTYPE_LOWER:
        return iswlower(wc);
    case WCTYPE_PRINT:
        return iswprint(wc);
    case WCTYPE_PUNCT:
        return iswpunct(wc);
    case WCTYPE_SPACE:
        return iswspace(wc);
    case WCTYPE_UPPER:
        return iswupper(wc);
    case WCTYPE_XDIGIT:
        return iswxdigit(wc);
    }
    return 0;
}

wctype_t wctype(const char* s) {
    int i;
    const char* p;
    /* order must match! */
    static const char names[] = "alnum\0"
                                "alpha\0"
                                "blank\0"
                                "cntrl\0"
                                "digit\0"
                                "graph\0"
                                "lower\0"
                                "print\0"
                                "punct\0"
                                "space\0"
                                "upper\0"
                                "xdigit";
    for (i = 1, p = names; *p; i++, p += 6)
        if (*s == *p && !strcmp(s, p))
            return i;
    return 0;
}