move exercises and lectures into subfolders

Lectures/LC9/While2/while_example_version_2.c

@@ -0,0 +1,37 @@
+/*
+   This program shows how to use a WHILE statment to keep displaying
+   the key pressed on the screen. It terminates when the 'q' key is
+   pressed
+
+*/
+
+#include <stdio.h>	/* Standard include files */
+#include <stdlib.h>
+#include <conio.h>
+
+int main(void)
+{
+
+  char x;		/* Define a variable of type char */
+
+
+  /* We now use the while statement. The 'loop' continues to execute */
+  /* until such time as the expression in the brackets becomes false */
+
+  /* we use != , meaning 'Not Equal to' as the test, as we wish the  */
+  /* the statements to be executed every time we press a key other   */
+  /* than 'q'. Once we press 'q' the code continues on to the next   */
+  /* statement */
+
+  /* Note: This time the getch is in the while expression  */
+
+
+  while ( ( x = getch() ) != 'q' )
+  {
+    /* Display a message on the screen */
+    printf("\nThe key you pressed was the %c key",x );
+  }
+
+  return 0;
+
+}