/*
* call-seq:
* rxp.casefold? => true or false
*
* Returns the value of the case-insensitive flag.
*/
static VALUE
rb_reg_casefold_p(re)
VALUE re;
{
rb_reg_check(re);
if (RREGEXP(re)->ptr->options & RE_OPTION_IGNORECASE) return Qtrue;
return Qfalse;
}