strip

/*
 *  call-seq:
 *     str.strip   => new_str
 *  
 *  Returns a copy of <i>str</i> with leading and trailing whitespace removed.
 *     
 *     "    hello    ".strip   #=> "hello"
 *     "\tgoodbye\r\n".strip   #=> "goodbye"
 */

static VALUE
rb_str_strip(str)
    VALUE str;
{
    str = rb_str_dup(str);
    rb_str_strip_bang(str);
    return str;
}