The source of the setup program included with DOOM, Final DOOM, Strife, etc.

SCGUESS.H

@@ -0,0 +1,34 @@
+#ifndef __SCGUESS_H__
+#define __SCGUESS_H__
+
+/*
+ * This stuff just checks for environment variables.  If they're there,
+ * then it kinda figures hopefully that the card is there and it fills
+ * in the values as defaults to choose from in Scott's & Paul's cool
+ * install program.
+ */
+
+/*
+ * Returns 1 if it senses the BLASTER environment variable, 0 if it
+ * doesn't.  If it does return 1, it will also fill in as many fields
+ * as it can extract from the environment variable.  Any fields *not*
+ * filled in will be set to -1.  Of course, if the midi field is filled,
+ * that means only that it's an SB16 and does not confirm whether the
+ * WaveBlaster is present.
+ */
+
+int SmellsLikeSB(int *addr, int *irq, int *dma, int *midi);
+
+/*
+ * Returns 1 if it senses the ULTRASND environment variable, 0 if it
+ * doesn't.  If it does return 1, it will also fill in as many fields
+ * as it can extract from the environment variable.  Any fields *not*
+ * filled in will be set to -1.  Do we need the address, irq, and dma?
+ * Paul's GF1_Detect code doesn't seem terribly interested in this
+ * information.  Who cares- it's bonus stuff if you're curious, and
+ * militant GUSaholes can eat cake.
+ */
+
+int SmellsLikeGUS(int *addr, int *irq, int *dma);
+
+#endif