/*
=================
SND_PickChannel
+
+Picks a channel based on priorities, empty slots, number of channels
=================
*/
channel_t *SND_PickChannel(int entnum, int entchannel)
/*
=================
SND_Spatialize
+
+Spatializes a channel
=================
*/
void SND_Spatialize(channel_t *ch, int isstatic)