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#ifndef _TWIN_EXTENSIONS_H
#define _TWIN_EXTENSIONS_H
typedef struct exts exts;
struct exts {
struct {
msgport MsgPort;
} WM;
struct {
void (*KillSlot)(uldat slot);
} Remote;
struct {
void (*SendMsg)(msgport MsgPort, msg Msg);
byte (*InitAuth)(void);
} Socket;
struct {
window (*Open)(CONST byte *arg0, byte * CONST * argv);
} Term;
};
extern exts Exts;
byte RegisterExt(void **where, void *data);
byte UnRegisterExt(void **where, void *data);
#define RegisterExtension(kind, member, data) \
RegisterExt((void **)&(Exts.kind.member), (void *)data)
#define UnRegisterExtension(kind, member, data) \
UnRegisterExt((void **)&(Exts.kind.member), (void *)data)
#define Ext(kind,member) (Exts.kind.member)
#endif /* _TWIN_EXTENSIONS_H */
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