Do the lcthw ex16 extra credit with stack structs

lcthw/ex16ec.c

@@ -0,0 +1,57 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct Person {
+	char *name;
+	int age;
+	int height;
+	int weight;
+};
+
+struct Person Person_create(char *name, int age, int height, int weight)
+{
+	struct Person who;
+
+	who.name = strdup(name);
+	who.age = age;
+	who.height = height;
+	who.weight = weight;
+
+	return who;
+}
+
+void Person_print(struct Person who)
+{
+	printf("Name: %s\n", who.name);
+	printf("\tAge: %d\n", who.age);
+	printf("\tHeight: %d\n", who.height);
+	printf("\tWeight: %d\n", who.weight);
+}
+
+int main(int argc, char *argv[])
+{
+	// make two people structures
+	struct Person joe = Person_create("Joe Alex", 32, 64, 100);
+
+	struct Person frank = Person_create("Frank Blank", 20, 72, 180);
+
+	// print them out and where they are in memory
+	printf("Joe is at memory location %p:\n", &joe);
+	Person_print(joe);
+
+	printf("Frank is at memory location %p:\n", &frank);
+	Person_print(frank);
+
+	// make everyone age 20 years and print them again
+	joe.age += 20;
+	joe.height -= 2;
+	joe.weight += 40;
+	Person_print(joe);
+
+	frank.age += 20;
+	frank.weight += 20;
+	Person_print(frank);
+
+	return 0;
+}