ypedef enum {
 SP_SYSTEM_LEVEL=10, 				/* most urgent */
 SP_ALARM=20,
 SP_STANDARD=30,
 SP_GAME=40,
 SP_BACKGROUND=50 				/* least urgent */
} SoundPriority;
&nbsp;
#define SP_IMMEDIATE 			-1
#define SP_THEME 			+1</PRE>
<P>
If the user's sound device can't play all requested sounds, it will use <CODE>
SoundPriority</CODE>
 values to determine which sounds are the most important.</P>
<P>
The highest priority sound you may construct using these values is (SP_SYSTME_LEVEL + SP_IMMEDIATE). The least priority 