|| FreeBSD Library Functions Manual
iterate through character classes
Standard C Library (libc, -lc)
#include < wctype.h>
nextwctype( wint_t ch, wctype_t wct);
nextwctype() function determines the next character after
ch that is a member of character class
ch is -1, the search begins at the first member of
RETURN VALUES The
nextwctype() function returns the next character, or -1 if there are no more.
COMPATIBILITY This function is a non-standard
FreeBSD extension and should not be used where the standard
iswctype() function would suffice.
nextwctype() function appeared in