#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;
}