Function xmessagePresent

lib/imgui/addon/imguitinyfiledialogs.cpp:2049–2057

static int xmessagePresent ( )
{
    static int lXmessagePresent = -1 ;
    if ( lXmessagePresent < 0 )
    {
	 lXmessagePresent = detectPresence("xmessage");/*if not tty,not on osxpath*/
    }
    return lXmessagePresent && graphicMode ( ) ;
}


static int gxmessagePresent ( )