1 files changed, 12 insertions, 0 deletions
diff --git a/include/packet.c b/include/packet.c
new file mode 100644
index 0000000..db20a12
--- /dev/null
+++ b/include/packet.c
@@ -0,0 +1,12 @@
+#include "packet.h"
+
+unsigned int system_packet_checksum(struct kv_system_packet *packet) {
+	return 	(packet->user_id << 8) ^ 
+		(packet->operation_id | (177013 << 10));
+}
+
+int __user_cmp(const void* a, const void* b) {
+	struct user *_a = (struct user*)a,
+		    *_b = (struct user*)b;
+	return _a->id - _b->id;
+}