/*
 *  call-seq:
 *     File.ctime(file_name)  => time
 *  
 *  Returns the change time for the named file (the time at which
 *  directory information about the file was changed, not the file
 *  itself).
 *     
 *     File.ctime("testfile")   #=> Wed Apr 09 08:53:13 CDT 2003
 *     
 */

static VALUE
rb_file_s_ctime(VALUE klass, VALUE fname)
{
    struct stat st;

    if (rb_stat(fname, &st) < 0)
        rb_sys_fail(RSTRING_PTR(fname));
    return stat_ctime(&st);
}