1 files changed, 54 insertions, 0 deletions
diff --git a/reference/C/EXAMPLES/inc_dec.c b/reference/C/EXAMPLES/inc_dec.c
new file mode 100644
index 0000000..76ba776
--- /dev/null
+++ b/reference/C/EXAMPLES/inc_dec.c
@@ -0,0 +1,54 @@
+/*************************************************************************
+ *
+ * Purpose: Demonstrate the increment and decrement operators.
+ * 
+ * Author:  M.J. Leslie.
+ *
+ * Date:    07-Apr-94
+ *
+ *************************************************************************/
+main()
+{
+
+   		/*
+    		 *	++i - i incremented before i is used.
+    		 *	--i - i decremented before i is used.
+    		 *	j++ - j is incremented AFTER j has been used. 
+    		 *	j-- - j is decremented AFTER j has been used. 
+    		 */
+
+  int i=1,j=1;
+
+  puts("\tDemo 1");
+  printf("\t%d %d\n",++i, j++);			/* O/P 	2 1	*/
+  printf("\t%d %d\n",i, j);				/* O/P  2 2	*/
+
+  i=1;j=1;
+
+  puts("\n\tDemo 2");
+  printf("\t%d \n",i=j++);				/* O/P 	1	*/
+  printf("\t%d \n",i=++j);				/* O/P 	3	*/
+
+
+/************************************************************************
+
+		This is a GOT YA
+
+*************************************************************************/
+
+   						  /* Consider this code */
+
+  i = 0; j = 0;
+
+  puts("\n\tDemo 3");
+  if ( (i++ == 1) && (j++ == 1)) puts("Some text");
+
+   	/* Will i and j get incremented? The answer is NO! Because 
+     	 * the expression in the left of '&&' resolves to false the 
+    	 * compiler does NOT execute the expression on the right and 
+    	 * so 'j' does not get executed!!!!! */
+
+
+  printf("\t%d %d\n",i, j);				/* O/P 1 0	*/
+
+}