#define mac_windowsession(w) (((WinInfo *)GetWRefCon(w))->s)
#define mac_winctrls(w) (((WinInfo *)GetWRefCon(w))->mcs)
+union macctrl;
+
struct macctrls {
tree234 *byctrl;
void *data; /* private data for config box */
+ unsigned int npanels;
+ union macctrl **panels; /* lists of controls by panel */
};
typedef struct Session {