move exercises and lectures into subfolders

Lectures/LC7/Getch/getch.c

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+/*
+	Chapter 7: example of getch
+
+   This program reads a single keystroke and displays it
+   on the screen
+
+*/
+
+#include <stdio.h>	/* Standard include files */
+#include <stdlib.h>
+#include <conio.h>
+
+int main(void)
+{
+
+    char x;				/* Define a variable of type char */
+
+    printf("Input a character: ");
+    x = getch();		/* Use getchar to read a keypress and store the */
+                        /* result in 'x' */
+    printf("\nDisplaying the char with putchar: ");
+    putchar(x);			/* Display the character stored in 'x' on the */
+                        /* screen using putchar */
+
+
+    return 0;
+
+}