diff --git a/src/config.h b/src/config.h
index 0a76cc0..74f3201 100644
--- a/src/config.h
+++ b/src/config.h
@@ -15,8 +15,11 @@ typedef struct config_t {
     uint16_t end;
     uint16_t skip_a;
     uint16_t skip_b;
-    
+    struct conf_opts_t opts;
+    struct config_t *next;
 } config_t;
 
+config_t *parse_config(char *);
+void free_config(config_t *);
 
 #endif /* !_CONFIG_H */