1 files changed, 40 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..7e460c8
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "btree.h"
+
+enum gender {
+	gender_male,
+	gender_female,
+	gender_other
+};
+
+struct userdat {
+	const char *name;
+	unsigned short age;
+	enum gender gender;
+};
+
+int userdat_cmp(const void *a, const void *b) {
+	const struct userdat *ua = a;
+	const struct userdat *ub = b;
+
+	if (ua->age == ub->age) {
+		     if (ua->gender > ub->gender) { return BTREE_CMP_GT; }
+		else if (ua->gender < ub->gender) { return BTREE_CMP_LT; }
+		                                  { return BTREE_CMP_EQ; }
+
+	} else if (ua->age > ub->age) {
+		return BTREE_CMP_GT;
+	} return BTREE_CMP_LT;
+}
+
+int main() {
+	struct btree *tree = btree_new(sizeof(struct userdat),
+	                               BTREE_DEGREE_DEFAULT,
+	                               &userdat_cmp);
+
+	btree_free(tree);
+
+	return 0;
+}