-sfx_t *S_PrecacheSound (const char *sample, qboolean complain, qboolean lock);
-void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds);
+sfx_t *S_PrecacheSound (const char *sample, qboolean complain, qboolean serversound);
+void S_ClearUsed (void);
+void S_PurgeUnused (void);
+qboolean S_IsSoundPrecached (const sfx_t *sfx);