(svn r12180) -Fix: Test purchase list loading/loaded sprites instead of unconditionally returning a possibly non-existant sprite.
/* $Id$ */
/** @file thread.h */
#ifndef THREAD_H
#define THREAD_H
struct OTTDThread;
typedef void * (*OTTDThreadFunc)(void*);
OTTDThread *OTTDCreateThread(OTTDThreadFunc, void*);
void *OTTDJoinThread(OTTDThread*);
void OTTDExitThread();
#endif /* THREAD_H */