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int Check_Blaster()
{
	if ( GetEnvSetting() )
	{
		printf("BLASTER environment variable not set or incomplete or invalid.\n");
		return(1);
	}

	if (sbc_check_card() == 0)
	{
		printf("Sound Blaster Card not found or wrong I/O setting.\n") ;
		return(1);
	}

	if (! sbc_test_int())
	{
		printf("SoundBlaster Error on interrupt!\n");
		return(1);
	}

	if (sbc_test_dma() < 0)
	{
		printf("SoundBlaster Error on DMA channel!\n");
		return(1);
	}
	return(0);
}
.

0