utime

/*
 * call-seq:
 *  File.utime(atime, mtime, file_name,...)   =>  integer
 *
 * Sets the access and modification times of each
 * named file to the first two arguments. Returns
 * the number of file names in the argument list.
 */

static VALUE
rb_file_s_utime(argc, argv)
    int argc;
    VALUE *argv;
{
    VALUE atime, mtime, rest;
    struct timeval tvs[2], *tvp = NULL;
    long n;

    rb_secure(2);
    rb_scan_args(argc, argv, "2*", &atime, &mtime, &rest);

    if (!NIL_P(atime) || !NIL_P(mtime)) {
        tvp = tvs;
        tvp[0] = rb_time_timeval(atime);
        tvp[1] = rb_time_timeval(mtime);
    }

    n = apply2files(utime_internal, rest, tvp);
    return LONG2FIX(n);
}