Added example of getting all textures

docs/doc-tex.txt

@@ -97,3 +97,32 @@ Functions
             true on success.
 
             false when failing checks against segmentation faults.
+
+Example logic to extract all textures:
+    {
+        // After reading the file in...
+        // Need to know how many batches are in the package.
+        struct TexturePack *p = (struct TexturePack*)filedata;
+        
+        // Need to know about each batch in the package.
+        struct TextureBatchDescriptor *d = NULL;
+
+        struct Texture *t = NULL;
+
+        unsigned int i;
+        for (i = 0; i < p -> batchNumber; i++) {
+            DEVIL1TEX.getbatchdesc(&d, i, filedata, filesize);
+
+            // Batch descriptor tells how many textures are in the batch.
+            t = (struct Texture*)
+                malloc(sizeof(struct Texture) * (d -> texNumber));
+            DEVIL1TEX.gettextures(t, i, filedata, filesize);
+
+            // There are now textures in 't'.
+            for (j = 0; j < d -> texNumber; j++) {
+                // Do whatever you want with however many of them there are.
+            }
+
+        }
+    }
+