https://github.com/Irqbalance/irqbalance/commit/1277ea524354fa628b4189e699af8d62f8be7021
https://github.com/Irqbalance/irqbalance/commit/b6a831d692ed7e12db7748db49b3b39516d151d2

diff --git a/irqbalance.c b/irqbalance.c
index 12302d7..373161f 100644
--- a/irqbalance.c
+++ b/irqbalance.c
@@ -544,7 +544,7 @@ out:
 	return TRUE;
 }
 
-int init_socket()
+int init_socket(void)
 {
 	struct sockaddr_un addr;
 	memset(&addr, 0, sizeof(struct sockaddr_un));
diff --git a/irqbalance.h b/irqbalance.h
index 7b47cd1..09daa3d 100644
--- a/irqbalance.h
+++ b/irqbalance.h
@@ -36,7 +36,7 @@ extern char *classes[];
 extern void parse_cpu_tree(void);
 extern void clear_work_stats(void);
 extern void parse_proc_interrupts(void);
-extern GList* collect_full_irq_list();
+extern GList* collect_full_irq_list(void);
 extern void parse_proc_stat(void);
 extern void set_interrupt_count(int number, uint64_t count);
 extern void set_msi_interrupt_numa(int number);
diff --git a/placement.c b/placement.c
index 9fde8cb..dea7c23 100644
--- a/placement.c
+++ b/placement.c
@@ -172,7 +172,7 @@ static void validate_irq(struct irq_info *info, void *data)
 {
 	if (info->assigned_obj != data)
 		log(TO_CONSOLE, LOG_INFO, "object validation error: irq %d is wrong, points to %p, should be %p\n",
-			info->irq, info->assigned_obj, data);
+			info->irq, (void*)info->assigned_obj, data);
 }
 
 static void validate_object(struct topo_obj *d, void *data __attribute__((unused)))
diff --git a/procinterrupts.c b/procinterrupts.c
index dfa95c6..e7ba653 100644
--- a/procinterrupts.c
+++ b/procinterrupts.c
@@ -206,7 +206,7 @@ void init_irq_class_and_type(char *savedline, struct irq_info *info, int irq)
 	info->name = strdup(irq_fullname);
 }
 
-GList* collect_full_irq_list()
+GList* collect_full_irq_list(void)
 {
 	GList *tmp_list = NULL;
 	FILE *file;
diff --git a/ui/helpers.c b/ui/helpers.c
index 0e9f76c..247f826 100644
--- a/ui/helpers.c
+++ b/ui/helpers.c
@@ -165,7 +165,7 @@ void dump_node(cpu_node_t *node, void *data __attribute__((unused)))
 	}
 }
 
-void dump_tree()
+void dump_tree(void)
 {
 	for_each_node(tree, dump_node, NULL);
 }
diff --git a/ui/helpers.h b/ui/helpers.h
index b8d9fcc..922914b 100644
--- a/ui/helpers.h
+++ b/ui/helpers.h
@@ -25,7 +25,7 @@ void for_each_node(GList *list, void (*fp)(cpu_node_t *node, void *data), void *
 
 void dump_irq(irq_t *irq, void *data __attribute__((unused)));
 void dump_node(cpu_node_t *node, void *data __attribute__((unused)));
-void dump_tree();
+void dump_tree(void);
 
 
 #endif /* HELPERS_H */
diff --git a/ui/irqbalance-ui.c b/ui/irqbalance-ui.c
index b7f9b62..4eb654d 100644
--- a/ui/irqbalance-ui.c
+++ b/ui/irqbalance-ui.c
@@ -28,7 +28,7 @@ setup_t setup;
 GMainLoop *main_loop;
 static int default_bufsz = 8192;
 
-struct msghdr * create_credentials_msg()
+struct msghdr * create_credentials_msg(void)
 {
 	struct ucred *credentials = malloc(sizeof(struct ucred));
 	credentials->pid = getpid();
@@ -51,7 +51,7 @@ struct msghdr * create_credentials_msg()
 	return msg;
 }
 
-int init_connection()
+int init_connection(void)
 {
 	struct sockaddr_un addr;
 	memset(&addr, 0, sizeof(struct sockaddr_un));
@@ -374,7 +374,7 @@ gboolean rescan_tree(gpointer data __attribute__((unused)))
 	free(irqbalance_data);
 	return TRUE;
 }
-void scroll_window() {
+void scroll_window(void) {
 	switch(state) {
 	case STATE_TREE:
 		display_tree();
diff --git a/ui/irqbalance-ui.h b/ui/irqbalance-ui.h
index dc24083..178be4b 100644
--- a/ui/irqbalance-ui.h
+++ b/ui/irqbalance-ui.h
@@ -72,8 +72,8 @@ typedef struct setup {
 
 /* Function prototypes */
 
-struct msghdr * create_credentials_msg();
-int init_connection();
+struct msghdr * create_credentials_msg(void);
+int init_connection(void);
 void send_settings(char *data);
 char * get_data(char *string);
 void parse_setup(char *setup_data);
@@ -83,7 +83,6 @@ void assign_cpu_lists(cpu_node_t *node, void *data);
 void assign_cpu_mask(cpu_node_t *node, void *data);
 void parse_into_tree(char *data);
 gboolean rescan_tree(gpointer data);
-int main();
 
 
 #endif /* IRQBALANCE_UI_H */
diff --git a/ui/ui.c b/ui/ui.c
index bee6868..9fa990a 100644
--- a/ui/ui.c
+++ b/ui/ui.c
@@ -21,7 +21,7 @@ char *IRQ_CLASS_TO_STR[] = {
 			"10-Gigabit Ethernet",
 			"Virt Event"};
 
-void show_frame()
+void show_frame(void)
 {
 	int i;
 	attrset(COLOR_PAIR(4));
@@ -37,7 +37,7 @@ void show_frame()
 	}
 }
 
-void show_footer()
+void show_footer(void)
 {
 	char footer[COLS];
 	snprintf(footer, COLS - 1,
@@ -101,7 +101,7 @@ int get_valid_sleep_input(int column_offest)
 		if(input == NULL) {
 			curs_set(0);
 			attrset(COLOR_PAIR(1));
-			mvprintw(2, column_offest, "%lu			", new_sleep);
+			mvprintw(2, column_offest, "%" PRIu64 "			", new_sleep);
 			move(LINES, COLS);
 			break;
 		}
@@ -125,7 +125,7 @@ int get_valid_sleep_input(int column_offest)
 	}
 
 	attrset(COLOR_PAIR(1));
-	mvprintw(2, column_offest, "%lu				", new_sleep);
+	mvprintw(2, column_offest, "%" PRIu64 "				", new_sleep);
 
 	return new_sleep;
 }
@@ -172,7 +172,7 @@ void print_cpu_line(cpu_ban_t *cpu, void *data __attribute__((unused)))
 	max_offset++;
 }
 
-void print_all_cpus()
+void print_all_cpus(void)
 {
 	max_offset = 0;
 	if(all_cpus == NULL) {
@@ -193,7 +193,7 @@ void add_banned_cpu(int *banned_cpu, void *data)
 	snprintf(data + strlen(data), 1024 - strlen(data), "%d, ", *banned_cpu);
 }
 
-void display_banned_cpus()
+void display_banned_cpus(void)
 {
 	char banned_cpus[1024] = "Banned CPU numbers: \0";
 	if(g_list_length(setup.banned_cpus) > 0) {
@@ -247,7 +247,7 @@ void get_cpu(cpu_node_t *node, void *data __attribute__((unused)))
 	}
 }
 
-void handle_cpu_banning()
+void handle_cpu_banning(void)
 {
 	GList *tmp = g_list_copy_deep(all_cpus, copy_cpu_ban, NULL);
 	attrset(COLOR_PAIR(5));
@@ -296,7 +296,7 @@ void handle_cpu_banning()
 		case '\r': {
 			attrset(COLOR_PAIR(3));
 			int banned = toggle_cpu(tmp, position + offset - 6);
-			mvprintw(position, 3, "CPU %d     ", position + offset - 6);
+			mvprintw(position, 3, "CPU %zu     ", position + offset - 6);
 			if(banned) {
 				mvprintw(position, 19, "YES");
 			} else {
@@ -504,7 +504,7 @@ void print_irq_line(irq_t *irq, void *data __attribute__((unused)))
 	mvprintw(line, 120, "%s", irq_name[line]);
 }
 
-void print_all_irqs()
+void print_all_irqs(void)
 {
 	max_offset = 0;
 	attrset(COLOR_PAIR(0));
@@ -555,13 +555,13 @@ void copy_irqs_from_nodes(cpu_node_t *node, void *data __attribute__((unused)))
 	}
 }
 
-void get_all_irqs()
+void get_all_irqs(void)
 {
 	all_irqs = g_list_copy_deep(setup.banned_irqs, copy_irq, NULL);
 	for_each_node(tree, copy_irqs_from_nodes, NULL);
 }
 
-void handle_irq_banning()
+void handle_irq_banning(void)
 {
 	GList *tmp = g_list_copy_deep(all_irqs, copy_irq, NULL);
 	attrset(COLOR_PAIR(5));
@@ -670,7 +670,7 @@ void handle_irq_banning()
 	}
 }
 
-void handle_sleep_setting()
+void handle_sleep_setting(void)
 {
 	char info[128] = "Current sleep interval between rebalancing: \0";
 	uint8_t sleep_input_offset = strlen(info) + 3;
@@ -693,7 +693,7 @@ void handle_sleep_setting()
 	refresh();
 }
 
-void init()
+void init(void)
 {
 	signal(SIGINT, close_window);
 	initscr();
@@ -732,7 +732,7 @@ void close_window(int sig __attribute__((unused)))
 	exit(EXIT_SUCCESS);
 }
 
-void settings()
+void settings(void)
 {
 	clear();
 	char *setup_data = get_data(SETUP);
@@ -751,7 +751,7 @@ void settings()
 	free(setup_data);
 }
 
-void setup_irqs()
+void setup_irqs(void)
 {
 	clear();
 	get_all_irqs();
@@ -770,7 +770,7 @@ void display_tree_node_irqs(irq_t *irq, void *data)
 	if (max_offset >= offset && max_offset - offset < LINES - 5) {
 		snprintf(indent + strlen(indent), 32 - strlen(indent), "%s", (char *)data);
 		attrset(COLOR_PAIR(3));
-		printw("%sIRQ %u, IRQs since last rebalance %lu\n",
+		printw("%sIRQ %u, IRQs since last rebalance %" PRIu64 "\n",
 			indent, irq->vector, irq->diff);
 	}
 	max_offset++;
@@ -830,7 +830,7 @@ void display_tree_node(cpu_node_t *node, void *data)
 	}
 }
 
-void display_tree()
+void display_tree(void)
 {
 	clear();
 	char *setup_data = get_data(SETUP);
diff --git a/ui/ui.h b/ui/ui.h
index da5b4b9..f3485d4 100644
--- a/ui/ui.h
+++ b/ui/ui.h
@@ -17,40 +17,40 @@ extern setup_t setup;
 extern int offset;
 extern int max_offset;
 
-void show_frame();
-void show_footer();
+void show_frame(void);
+void show_footer(void);
 
 char * check_control_in_sleep_input(int max_len, int column_offest, int line_offset);
 int get_valid_sleep_input(int column_offest);
 
 void get_banned_cpu(int *cpu, void *data);
 void print_cpu_line(cpu_ban_t *cpu, void *data);
-void print_all_cpus();
+void print_all_cpus(void);
 void add_banned_cpu(int *banned_cpu, void *data);
-void display_banned_cpus();
+void display_banned_cpus(void);
 int toggle_cpu(GList *cpu_list, int cpu_number);
 void get_new_cpu_ban_values(cpu_ban_t *cpu, void *data);
-void get_cpu();
-void handle_sleep_setting();
-void handle_cpu_banning();
+void get_cpu(cpu_node_t *node, void *data);
+void handle_sleep_setting(void);
+void handle_cpu_banning(void);
 
 void copy_assigned_obj(int *number, void *data);
 void print_assigned_objects_string(irq_t *irq, int *line_offset);
 void print_irq_line(irq_t *irq, void *data);
-void print_all_irqs();
+void print_all_irqs(void);
 int toggle_irq(GList *irq_list, int position);
 void get_new_irq_ban_values(irq_t *irq, void *data);
 void copy_irqs_from_nodes(cpu_node_t *node, void *data);
-void get_all_irqs();
-void handle_irq_banning();
+void get_all_irqs(void);
+void handle_irq_banning(void);
 
-void init();
+void init(void);
 void close_window(int sig);
-void settings();
-void setup_irqs();
+void settings(void);
+void setup_irqs(void);
 void display_tree_node_irqs(irq_t *irq, void *data);
 void display_tree_node(cpu_node_t *node, void *data);
-void display_tree();
+void display_tree(void);
 
 
 #endif /* UI_H */