(svn r8801) [cpp_gui] -Codechange: few changes towards OO GUI:
-Window related AllocateXxx() functions turned into Window methods
-current Widget renamed to OldWidget
-Widget base class added (still not used)
-CompositeWidget added (also not used)
-Widget rectangle/point handling moved to new file: misc/rect.hpp
-18 new .cpp files added in new dir for several widget types (most of them not used yet)

/* $Id$ */

#ifndef THREAD_H
#define THREAD_H

typedef struct OTTDThread OTTDThread;

typedef void* (*OTTDThreadFunc)(void*);

OTTDThread* OTTDCreateThread(OTTDThreadFunc, void*);
void*       OTTDJoinThread(OTTDThread*);
void        OTTDExitThread(void);

#endif /* THREAD_H */