_nc_generic_fieldtype(bool (*const field_check) (FORM *, FIELD *, const void *),
bool (*const char_check) (int, FORM *, FIELD *, const
void *),
_nc_generic_fieldtype(bool (*const field_check) (FORM *, FIELD *, const void *),
bool (*const char_check) (int, FORM *, FIELD *, const
void *),