move exercises, lecture examples, labs into subfolders

Exercises/C19/ex1.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+
+struct Person {
+	int age;
+	char forename[30];
+	char surname[50];
+};
+
+
+int main() {
+	struct Person p;
+
+	printf("Enter age: "); scanf("%d", &p.age);
+	printf("Enter forename: "); scanf("%29s", p.forename);
+	printf("Enter surname: "); scanf("%49s", p.surname);
+
+	printf("p.age=%d p.forename=%s p.surname=%s\n", p.age, p.forename, p.surname);
+	return 0;
+}