included_modules

/*
 *  call-seq:
 *     mod.included_modules -> array
 *  
 *  Returns the list of modules included in <i>mod</i>.
 *     
 *     module Mixin
 *     end
 *     
 *     module Outer
 *       include Mixin
 *     end
 *     
 *     Mixin.included_modules   #=> []
 *     Outer.included_modules   #=> [Mixin]
 */

VALUE
rb_mod_included_modules(mod)
    VALUE mod;
{
    VALUE ary = rb_ary_new();
    VALUE p;

    for (p = RCLASS(mod)->super; p; p = RCLASS(p)->super) {
	if (BUILTIN_TYPE(p) == T_ICLASS) {
	    rb_ary_push(ary, RBASIC(p)->klass);
	}
    }
    return ary;
}