first commit

include/users.h

@@ -0,0 +1,25 @@
+#include <stdint.h>
+#include <time.h>
+
+#ifndef __USERS_H__
+#define __USERS_H__
+
+typedef struct person
+{
+    uint16_t uuid;
+
+    char *name;
+    char *surname;
+    uint8_t department;
+
+    time_t last_timestamp;
+    uint32_t total;
+} person_t;
+
+typedef struct node
+{
+    person_t user;
+    struct node *next;
+} node_t;
+
+#endif