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made virtual functions pure

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svn-id: r3959
This commit is contained in:
Ludvig Strigeus 2002-04-16 16:11:08 +00:00
parent 31c4fdef54
commit 0eaa9b16b4
1 changed files with 4 additions and 4 deletions
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8
system.h
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@ -96,16 +96,16 @@ public:
// Poll cdrom status
// Returns true if cd audio is playing
virtual bool poll_cdrom();
virtual bool poll_cdrom() = 0;
// Play cdrom audio track
virtual void play_cdrom(int track, int num_loops, int start_frame, int end_frame);
virtual void play_cdrom(int track, int num_loops, int start_frame, int end_frame) = 0;
// Stop cdrom audio track
virtual void stop_cdrom();
virtual void stop_cdrom() = 0;
// Update cdrom audio status
virtual void update_cdrom();
virtual void update_cdrom() = 0;
// Quit
virtual void quit() = 0;