sfx_t *S_PrecacheSound (const char *sample, qboolean complain, qboolean lock);
void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds);
+void S_PurgeUnused (void);
qboolean S_IsSoundPrecached (const sfx_t *sfx);
// S_StartSound returns the channel index, or -1 if an error occurred