Turn funcs() into funcs(void)

If they really do not take undefined number of arguments.

4 files changed, 4 insertions, 4 deletions

diff --git a/include/sway/config.h b/include/sway/config.h
index 1c6e2ac4..5e28c678 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -469,7 +469,7 @@ struct seat_config *copy_seat_config(struct seat_config *seat);
 
 void free_seat_config(struct seat_config *ic);
 
-struct seat_attachment_config *seat_attachment_config_new();
+struct seat_attachment_config *seat_attachment_config_new(void);
 
 struct seat_attachment_config *seat_config_get_attachment(
                 struct seat_config *seat_config, char *identifier);
diff --git a/include/sway/debug.h b/include/sway/debug.h
index bf3a5f6d..0e9bb056 100644
--- a/include/sway/debug.h
+++ b/include/sway/debug.h
@@ -17,6 +17,6 @@ struct sway_debug {
 
 extern struct sway_debug debug;
 
-void update_debug_tree();
+void update_debug_tree(void);
 
 #endif
diff --git a/include/sway/ipc-json.h b/include/sway/ipc-json.h
index fef243e3..1cbfd15d 100644
--- a/include/sway/ipc-json.h
+++ b/include/sway/ipc-json.h
@@ -4,7 +4,7 @@
 #include "sway/tree/container.h"
 #include "sway/input/input-manager.h"
 
-json_object *ipc_json_get_version();
+json_object *ipc_json_get_version(void);
 
 json_object *ipc_json_describe_disabled_output(struct sway_output *o);
 json_object *ipc_json_describe_node(struct sway_node *node);
diff --git a/include/swaybar/config.h b/include/swaybar/config.h
index 6739c28a..5f5688cf 100644
--- a/include/swaybar/config.h
+++ b/include/swaybar/config.h
@@ -50,7 +50,7 @@ struct swaybar_config {
         } colors;
 };
 
-struct swaybar_config *init_config();
+struct swaybar_config *init_config(void);
 void free_config(struct swaybar_config *config);
 uint32_t parse_position(const char *position);