int MusFxBankNumberOfEffects(void *ifxbank);
It gets the number of sound effects stored in the specified initialized sound effect bank. When starting sound effects using a sound effect bank, the valid range is 0 to MusFxBankNumberOfEffects()-1 inclusive.
The ifxbank must contain the address of a sound effect bank initialized with the MusFxBankInitialize() function.
Number of sound effects in the specified sound effect bank.
musHandle AudioStartEffect(void *fxbank, int number)
{
musHandle handle;
if (number>=MusFxBankNumberOfEffects(fxbank))
return (0); /* failure! */
MusFxBankSetSingle(fxbank);
handle = MusStartEffect(number);
return (handle);
}