/*
* call-seq:
* sym.id2name => string
* sym.to_s => string
*
* Returns the name or string corresponding to <i>sym</i>.
*
* :fred.id2name #=> "fred"
*/
VALUE
rb_sym_to_s(VALUE sym)
{
ID id = SYM2ID(sym);
return str_new3(rb_cString, rb_id2str(id));
}