size

/*
 *  call-seq:
 *     fix.size -> fixnum
 *
 *  Returns the number of <em>bytes</em> in the machine representation
 *  of a <code>Fixnum</code>.
 *
 *     1.size            #=> 4
 *     -1.size           #=> 4
 *     2147483647.size   #=> 4
 */

static VALUE
fix_size(fix)
    VALUE fix;
{
    return INT2FIX(sizeof(long));
}