(svn r9386) [gamebalance] -Feature: Selling and buying land costs now take proximity to town centers into account. Move some code around while I'm at it. Also selling land gives as much money as buying land costs.
/* $Id$ */
#ifndef THREAD_H
#define THREAD_H
struct OTTDThread;
typedef void* (*OTTDThreadFunc)(void*);
OTTDThread* OTTDCreateThread(OTTDThreadFunc, void*);
void* OTTDJoinThread(OTTDThread*);
void OTTDExitThread();
#endif /* THREAD_H */