Function copy_of

win/X11/winmenu.c:1154–1160

* Allocate a copy of the given string. If null, return a string of * zero length. */

 * zero length.
 */
static char *
copy_of(const char *s)
{
    if (!s)
        s = "";
    return dupstr(s);
}

/*
 * Create ok, cancel, all, none, invert, and search buttons.