diff --git a/src/input.c b/src/input.c
index 21593ad..fa9a841 100644
--- a/src/input.c
+++ b/src/input.c
@@ -159,16 +159,16 @@ static void *capture_user;
 static int32_t mouse_x;
 static int32_t mouse_y;
 
-void input_init() {
+void input_init(void) {
 	input_unbind_all(INPUT_LAYER_SYSTEM);
 	input_unbind_all(INPUT_LAYER_USER);
 }
 
-void input_cleanup() {
+void input_cleanup(void) {
 
 }
 
-void input_clear() {
+void input_clear(void) {
 	clear(actions_pressed);
 	clear(actions_released);
 }
@@ -274,7 +274,7 @@ bool input_released(uint8_t action) {
 	return actions_released[action];
 }
 
-vec2_t input_mouse_pos() {
+vec2_t input_mouse_pos(void) {
 	return vec2(mouse_x, mouse_y);
 }
 
diff --git a/src/input.h b/src/input.h
index bd1f227..fa8463e 100644
--- a/src/input.h
+++ b/src/input.h
@@ -156,9 +156,9 @@ typedef enum {
 typedef void(*input_capture_callback_t)
 	(void *user, button_t button, int32_t ascii_char);
 
-void input_init();
-void input_cleanup();
-void input_clear();
+void input_init(void);
+void input_cleanup(void);
+void input_clear(void);
 
 void input_bind(input_layer_t layer, button_t button, uint8_t action);
 void input_unbind(input_layer_t layer,button_t button);
@@ -175,7 +175,7 @@ void input_capture(input_capture_callback_t cb, void *user);
 float input_state(uint8_t action);
 bool input_pressed(uint8_t action);
 bool input_released(uint8_t action);
-vec2_t input_mouse_pos();
+vec2_t input_mouse_pos(void);
 
 button_t input_name_to_button(const char *name);
 const char *input_button_to_name(button_t button);
diff --git a/src/mem.c b/src/mem.c
index d25baf5..b673014 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -18,7 +18,7 @@ static uint32_t temp_objects_len;
 // These allocations persist for many frames. The allocator level is reset
 // whenever we load a new race track or menu in game_set_scene()
 
-void *mem_mark() {
+void *mem_mark(void) {
 	return &hunk[bump_len];
 }
 
@@ -76,6 +76,6 @@ void mem_temp_free(void *p) {
 	temp_len = remaining_max;
 }
 
-void mem_temp_check() {
+void mem_temp_check(void) {
 	error_if(temp_len != 0, "Temp memory not free: %d object(s)", temp_objects_len);
 }
diff --git a/src/mem.h b/src/mem.h
index b909067..b52e305 100644
--- a/src/mem.h
+++ b/src/mem.h
@@ -7,11 +7,11 @@
 #define MEM_HUNK_BYTES (4 * 1024 * 1024)
 
 void *mem_bump(uint32_t size);
-void *mem_mark();
+void *mem_mark(void);
 void mem_reset(void *p);
 
 void *mem_temp_alloc(uint32_t size);
 void mem_temp_free(void *p);
-void mem_temp_check();
+void mem_temp_check(void);
 
 #endif
diff --git a/src/platform.h b/src/platform.h
index e755b4c..9e93904 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -3,10 +3,10 @@
 
 #include "types.h"
 
-void platform_exit();
-vec2i_t platform_screen_size();
-double platform_now();
-bool platform_get_fullscreen();
+void platform_exit(void);
+vec2i_t platform_screen_size(void);
+double platform_now(void);
+bool platform_get_fullscreen(void);
 void platform_set_fullscreen(bool fullscreen);
 void platform_set_audio_mix_cb(void (*cb)(float *buffer, uint32_t len));
 
diff --git a/src/platform_sdl.c b/src/platform_sdl.c
index cf000bc..31e1ee0 100755
--- a/src/platform_sdl.c
+++ b/src/platform_sdl.c
@@ -48,11 +48,11 @@ uint8_t platform_sdl_axis_map[] = {
 };
 
 
-void platform_exit() {
+void platform_exit(void) {
 	wants_to_exit = true;
 }
 
-SDL_GameController *platform_find_gamepad() {
+SDL_GameController *platform_find_gamepad(void) {
 	for (int i = 0; i < SDL_NumJoysticks(); i++) {
 		if (SDL_IsGameController(i)) {
 			return SDL_GameControllerOpen(i);
@@ -63,7 +63,7 @@ SDL_GameController *platform_find_gamepad() {
 }
 
 
-void platform_pump_events() {
+void platform_pump_events(void) {
 	SDL_Event ev;
 	while (SDL_PollEvent(&ev)) {
 		// Detect ALT+Enter press to toggle fullscreen
@@ -188,12 +188,12 @@ void platform_pump_events() {
 	}
 }
 
-double platform_now() {
+double platform_now(void) {
 	uint64_t perf_counter = SDL_GetPerformanceCounter();
 	return (double)perf_counter / (double)perf_freq;
 }
 
-bool platform_get_fullscreen() {
+bool platform_get_fullscreen(void) {
 	return SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN;
 }
 
@@ -251,7 +251,7 @@ uint32_t platform_store_userdata(const char *name, void *bytes, int32_t len) {
 	#define PLATFORM_WINDOW_FLAGS SDL_WINDOW_OPENGL
 	SDL_GLContext platform_gl;
 
-	void platform_video_init() {
+	void platform_video_init(void) {
 		#if defined(USE_GLES2)
 			SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
 			SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
@@ -262,19 +262,19 @@ uint32_t platform_store_userdata(const char *name, void *bytes, int32_t len) {
 		SDL_GL_SetSwapInterval(1);
 	}
 
-	void platform_prepare_frame() {
+	void platform_prepare_frame(void) {
 		// nothing
 	}
 
-	void platform_video_cleanup() {
+	void platform_video_cleanup(void) {
 		SDL_GL_DeleteContext(platform_gl);
 	}
 
-	void platform_end_frame() {
+	void platform_end_frame(void) {
 		SDL_GL_SwapWindow(window);
 	}
 
-	vec2i_t platform_screen_size() {
+	vec2i_t platform_screen_size(void) {
 		int width, height;
 		SDL_GL_GetDrawableSize(window, &width, &height);
 		return vec2i(width, height);
@@ -291,18 +291,18 @@ uint32_t platform_store_userdata(const char *name, void *bytes, int32_t len) {
 	static vec2i_t screen_size = vec2i(0, 0);
 
 
-	void platform_video_init() {
+	void platform_video_init(void) {
 		renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
 	}
 
-	void platform_video_cleanup() {
+	void platform_video_cleanup(void) {
 		if (screenbuffer) {
 			SDL_DestroyTexture(screenbuffer);
 		}
 		SDL_DestroyRenderer(renderer);
 	}
 
-	void platform_prepare_frame() {
+	void platform_prepare_frame(void) {
 		if (screen_size.x != screenbuffer_size.x || screen_size.y != screenbuffer_size.y) {
 			if (screenbuffer) {
 				SDL_DestroyTexture(screenbuffer);
@@ -313,7 +313,7 @@ uint32_t platform_store_userdata(const char *name, void *bytes, int32_t len) {
 		SDL_LockTexture(screenbuffer, NULL, &screenbuffer_pixels, &screenbuffer_pitch);
 	}
 
-	void platform_end_frame() {
+	void platform_end_frame(void) {
 		screenbuffer_pixels = NULL;
 		SDL_UnlockTexture(screenbuffer);
 		SDL_RenderCopy(renderer, screenbuffer, NULL, NULL);
@@ -325,7 +325,7 @@ uint32_t platform_store_userdata(const char *name, void *bytes, int32_t len) {
 		return screenbuffer_pixels;
 	}
 
-	vec2i_t platform_screen_size() {
+	vec2i_t platform_screen_size(void) {
 		int width, height;
 		SDL_GetWindowSize(window, &width, &height);
 
@@ -343,7 +343,7 @@ int main(int argc, char *argv[]) {
 	SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER);
 
 	// Figure out the absolute asset and userdata paths. These may either be
-	// supplied at build time through -DPATH_ASSETS=.. and -DPATH_USERDATA=.. 
+	// supplied at build time through -DPATH_ASSETS=.. and -DPATH_USERDATA=..
 	// or received at runtime from SDL. Note that SDL may return NULL for these.
 	// We fall back to the current directory (i.e. just "") in this case.
 
diff --git a/src/platform_sokol.c b/src/platform_sokol.c
index 00993e6..e06a332 100644
--- a/src/platform_sokol.c
+++ b/src/platform_sokol.c
@@ -161,15 +161,15 @@ static const uint8_t keyboard_map[] = {
 
 static void (*audio_callback)(float *buffer, uint32_t len) = NULL;
 
-void platform_exit() {
+void platform_exit(void) {
 	sapp_quit();
 }
 
-vec2i_t platform_screen_size() {
+vec2i_t platform_screen_size(void) {
 	return vec2i(sapp_width(), sapp_height());
 }
 
-double platform_now() {
+double platform_now(void) {
 	return stm_sec(stm_now());
 }
 
diff --git a/src/render.h b/src/render.h
index 335f9ad..74d96cc 100644
--- a/src/render.h
+++ b/src/render.h
@@ -28,18 +28,18 @@ typedef enum {
 extern uint16_t RENDER_NO_TEXTURE;
 
 void render_init(vec2i_t screen_size);
-void render_cleanup();
+void render_cleanup(void);
 
 void render_set_screen_size(vec2i_t size);
 void render_set_resolution(render_resolution_t res);
 void render_set_post_effect(render_post_effect_t post);
-vec2i_t render_size();
+vec2i_t render_size(void);
 
-void render_frame_prepare();
-void render_frame_end();
+void render_frame_prepare(void);
+void render_frame_end(void);
 
 void render_set_view(vec3_t pos, vec3_t angles);
-void render_set_view_2d();
+void render_set_view_2d(void);
 void render_set_model_mat(mat4_t *m);
 void render_set_depth_write(bool enabled);
 void render_set_depth_test(bool enabled);
@@ -57,7 +57,7 @@ void render_push_2d_tile(vec2i_t pos, vec2i_t uv_offset, vec2i_t uv_size, vec2i_
 uint16_t render_texture_create(uint32_t width, uint32_t height, rgba_t *pixels);
 vec2i_t render_texture_size(uint16_t texture_index);
 void render_texture_replace_pixels(int16_t texture_index, rgba_t *pixels);
-uint16_t render_textures_len();
+uint16_t render_textures_len(void);
 void render_textures_reset(uint16_t len);
 void render_textures_dump(const char *path);
 
diff --git a/src/render_gl.c b/src/render_gl.c
index 17d7636..f09b49b 100644
--- a/src/render_gl.c
+++ b/src/render_gl.c
@@ -133,7 +133,7 @@ static const char * const SHADER_GAME_VS = SHADER_SOURCE(
 	uniform vec2 fade;
 	uniform float time;
 	
-	void main() {
+	void main(void) {
 		gl_Position = projection * view * model * vec4(pos, 1.0);
 		gl_Position.xy += screen.xy * gl_Position.w;
 		v_color = color;
@@ -150,7 +150,7 @@ static const char * const SHADER_GAME_FS = SHADER_SOURCE(
 	varying vec2 v_uv;
 	uniform sampler2D texture;
 
-	void main() {
+	void main(void) {
 		vec4 tex_color = texture2D(texture, v_uv);
 		vec4 color = tex_color * v_color;
 		if (color.a == 0.0) {
@@ -180,7 +180,7 @@ typedef struct {
 	} attribute;
 } prg_game_t;
 
-prg_game_t *shader_game_init() {
+prg_game_t *shader_game_init(void) {
 	prg_game_t *s = mem_bump(sizeof(prg_game_t));
 	
 	s->program = create_program(SHADER_GAME_VS, SHADER_GAME_FS);
@@ -224,7 +224,7 @@ static const char * const SHADER_POST_VS = SHADER_SOURCE(
 	uniform vec2 screen_size;
 	uniform float time;
 	
-	void main() {
+	void main(void) {
 		gl_Position = projection * vec4(pos, 1.0);
 		v_uv = uv;
 	}
@@ -236,7 +236,7 @@ static const char * const SHADER_POST_FS_DEFAULT = SHADER_SOURCE(
 	uniform sampler2D texture;
 	uniform vec2 screen_size;
 
-	void main() {
+	void main(void) {
 		gl_FragColor = texture2D(texture, v_uv);
 	}
 );
@@ -328,14 +328,14 @@ void shader_post_general_init(prg_post_t *s) {
 	bind_va_f(s->attribute.uv, vertex_t, uv, 0);
 }
 
-prg_post_t *shader_post_default_init() {
+prg_post_t *shader_post_default_init(void) {
 	prg_post_t *s = mem_bump(sizeof(prg_post_t));
 	s->program = create_program(SHADER_POST_VS, SHADER_POST_FS_DEFAULT);	
 	shader_post_general_init(s);
 	return s;
 }
 
-prg_post_t *shader_post_crt_init() {
+prg_post_t *shader_post_crt_init(void) {
 	prg_post_t *s = mem_bump(sizeof(prg_post_t));
 	s->program = create_program(SHADER_POST_VS, SHADER_POST_FS_CRT);	
 	shader_post_general_init(s);
@@ -379,7 +379,7 @@ prg_post_t *prg_post;
 prg_post_t *prg_post_effects[NUM_RENDER_POST_EFFCTS] = {};
 
 
-static void render_flush();
+static void render_flush(void);
 
 
 // static void gl_message_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam) {
@@ -460,7 +460,7 @@ void render_init(vec2i_t screen_size) {
 	render_set_screen_size(screen_size);
 }
 
-void render_cleanup() {
+void render_cleanup(void) {
 	// TODO
 }
 
@@ -568,11 +568,11 @@ void render_set_post_effect(render_post_effect_t post) {
 	prg_post = prg_post_effects[post];
 }
 
-vec2i_t render_size() {
+vec2i_t render_size(void) {
 	return backbuffer_size;
 }
 
-void render_frame_prepare() {
+void render_frame_prepare(void) {
 	use_program(prg_game);
 	glBindFramebuffer(GL_FRAMEBUFFER, backbuffer);
 	glViewport(0, 0, backbuffer_size.x, backbuffer_size.y);
@@ -587,7 +587,7 @@ void render_frame_prepare() {
 	glEnable(GL_DEPTH_TEST); 
 }
 
-void render_frame_end() {
+void render_frame_end(void) {
 	render_flush();
 
 	use_program(prg_post);
@@ -621,7 +621,7 @@ void render_frame_end() {
 	render_flush();
 }
 
-void render_flush() {
+void render_flush(void) {
 	if (tris_len == 0) {
 		return;
 	}
@@ -658,7 +658,7 @@ void render_set_view(vec3_t pos, vec3_t angles) {
 	glUniform2f(prg_game->uniform.fade, RENDER_FADEOUT_NEAR, RENDER_FADEOUT_FAR);
 }
 
-void render_set_view_2d() {
+void render_set_view_2d(void) {
 	render_flush();
 	render_set_depth_test(false);
 	render_set_depth_write(false);
@@ -955,7 +955,7 @@ void render_texture_replace_pixels(int16_t texture_index, rgba_t *pixels) {
 	glTexSubImage2D(GL_TEXTURE_2D, 0, t->offset.x, t->offset.y, t->size.x, t->size.y, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
 }
 
-uint16_t render_textures_len() {
+uint16_t render_textures_len(void) {
 	return textures_len;
 }
 
diff --git a/src/render_software.c b/src/render_software.c
index cca370e..1911a6b 100644
--- a/src/render_software.c
+++ b/src/render_software.c
@@ -43,7 +43,7 @@ void render_init(vec2i_t screen_size) {
 	RENDER_NO_TEXTURE = render_texture_create(2, 2, white_pixels);
 }
 
-void render_cleanup() {}
+void render_cleanup(void) {}
 
 void render_set_screen_size(vec2i_t size) {
 	screen_size = size;
@@ -63,12 +63,12 @@ void render_set_screen_size(vec2i_t size) {
 void render_set_resolution(render_resolution_t res) {}
 void render_set_post_effect(render_post_effect_t post) {}
 
-vec2i_t render_size() {
+vec2i_t render_size(void) {
 	return screen_size;
 }
 
 
-void render_frame_prepare() {
+void render_frame_prepare(void) {
 	screen_buffer = platform_get_screenbuffer(&screen_pitch);
 	screen_ppr = screen_pitch / sizeof(rgba_t);
 
@@ -80,7 +80,7 @@ void render_frame_prepare() {
 	}
 }
 
-void render_frame_end() {}
+void render_frame_end(void) {}
 
 void render_set_view(vec3_t pos, vec3_t angles) {
 	view_mat = mat4_identity();
@@ -92,7 +92,7 @@ void render_set_view(vec3_t pos, vec3_t angles) {
 	render_set_model_mat(&mat4_identity());
 }
 
-void render_set_view_2d() {
+void render_set_view_2d(void) {
 	float near = -1;
 	float far = 1;
 	float left = 0;
@@ -227,7 +227,7 @@ void render_texture_replace_pixels(int16_t texture_index, rgba_t *pixels) {
 	// memcpy(t->pixels, pixels, t->size.x * t->size.y * sizeof(rgba_t));
 }
 
-uint16_t render_textures_len() {
+uint16_t render_textures_len(void) {
 	return textures_len;
 }
 
diff --git a/src/system.c b/src/system.c
index 6f1a266..7440ba5 100644
--- a/src/system.c
+++ b/src/system.c
@@ -13,23 +13,23 @@ static double time_scale = 1.0;
 static double tick_last;
 static double cycle_time = 0;
 
-void system_init() {
+void system_init(void) {
 	time_real = platform_now();
 	input_init();
 	render_init(platform_screen_size());
 	game_init();
 }
 
-void system_cleanup() {
+void system_cleanup(void) {
 	render_cleanup();
 	input_cleanup();
 }
 
-void system_exit() {
+void system_exit(void) {
 	platform_exit();
 }
 
-void system_update() {
+void system_update(void) {
 	double time_real_now = platform_now();
 	double real_delta = time_real_now - time_real;
 	time_real = time_real_now;
@@ -52,7 +52,7 @@ void system_update() {
 	mem_temp_check();
 }
 
-void system_reset_cycle_time() {
+void system_reset_cycle_time(void) {
 	cycle_time = 0;
 }
 
@@ -60,7 +60,7 @@ void system_resize(vec2i_t size) {
 	render_set_screen_size(size);
 }
 
-double system_time_scale_get() {
+double system_time_scale_get(void) {
 	return time_scale;
 }
 
@@ -68,14 +68,14 @@ void system_time_scale_set(double scale) {
 	time_scale = scale;
 }
 
-double system_tick() {
+double system_tick(void) {
 	return tick_last;
 }
 
-double system_time() {
+double system_time(void) {
 	return time_scaled;
 }
 
-double system_cycle_time() {
+double system_cycle_time(void) {
 	return cycle_time;
 }
diff --git a/src/system.h b/src/system.h
index 873a54e..8925d28 100755
--- a/src/system.h
+++ b/src/system.h
@@ -7,17 +7,17 @@
 #define SYSTEM_WINDOW_WIDTH 1280
 #define SYSTEM_WINDOW_HEIGHT 720
 
-void system_init();
-void system_update();
-void system_cleanup();
-void system_exit();
+void system_init(void);
+void system_update(void);
+void system_cleanup(void);
+void system_exit(void);
 void system_resize(vec2i_t size);
 
-double system_time();
-double system_tick();
-double system_cycle_time();
-void system_reset_cycle_time();
-double system_time_scale_get();
+double system_time(void);
+double system_tick(void);
+double system_cycle_time(void);
+void system_reset_cycle_time(void);
+double system_time_scale_get(void);
 void system_time_scale_set(double ts);
 
 #endif
diff --git a/src/wipeout/droid.c b/src/wipeout/droid.c
index c856361..694088e 100755
--- a/src/wipeout/droid.c
+++ b/src/wipeout/droid.c
@@ -17,7 +17,7 @@
 
 static Object *droid_model;
 
-void droid_load() {
+void droid_load(void) {
 	texture_list_t droid_textures = image_get_compressed_textures("wipeout/common/rescu.cmp");
 	droid_model = objects_load("wipeout/common/rescu.prm", droid_textures);
 }
diff --git a/src/wipeout/droid.h b/src/wipeout/droid.h
index 000a718..b5e21b9 100755
--- a/src/wipeout/droid.h
+++ b/src/wipeout/droid.h
@@ -29,7 +29,7 @@ typedef struct droid_t {
 
 void droid_draw(droid_t *droid);
 
-void droid_load();
+void droid_load(void);
 void droid_init(droid_t *droid, ship_t *ship);
 void droid_update(droid_t *droid, ship_t *ship);
 void droid_update_intro(droid_t *droid, ship_t *ship);
diff --git a/src/wipeout/game.c b/src/wipeout/game.c
index 5fa8b72..6dc8bf6 100755
--- a/src/wipeout/game.c
+++ b/src/wipeout/game.c
@@ -487,8 +487,8 @@ game_t g = {0};
 
 
 struct {
-	void (*init)();
-	void (*update)();
+	void (*init)(void);
+	void (*update)(void);
 } game_scenes[] = {
 	[GAME_SCENE_INTRO] = {intro_init, intro_update},
 	[GAME_SCENE_TITLE] = {title_init, title_update},
@@ -501,8 +501,7 @@ static game_scene_t scene_next = GAME_SCENE_NONE;
 static int global_textures_len = 0;
 static void *global_mem_mark = 0;
 
-void game_init() {
-	
+void game_init(void) {
 	uint32_t size;
 	save_t *save_file = (save_t *)platform_load_userdata("save.dat", &size);
 	if (save_file) {
@@ -589,7 +588,7 @@ void game_set_scene(game_scene_t scene) {
 	scene_next = scene;
 }
 
-void game_reset_championship() {
+void game_reset_championship(void) {
 	for (int i = 0; i < len(g.championship_ranks); i++) {
 		g.championship_ranks[i].points = 0;
 		g.championship_ranks[i].pilot = i;
@@ -597,7 +596,7 @@ void game_reset_championship() {
 	g.lives = NUM_LIVES;
 }
 
-void game_update() {
+void game_update(void) {
 	double frame_start_time = platform_now();
 
 	int sh = render_size().y;
@@ -635,7 +634,7 @@ void game_update() {
 		// FIXME: use a text based format?
 		// FIXME: this should probably run async somewhere
 		save.is_dirty = false;
-		platform_store_userdata("save.dat", &save, sizeof(save_t)); 
+		platform_store_userdata("save.dat", &save, sizeof(save_t));
 		printf("wrote save.dat\n");
 	}
 
diff --git a/src/wipeout/game.h b/src/wipeout/game.h
index 2634e6c..4164385 100755
--- a/src/wipeout/game.h
+++ b/src/wipeout/game.h
@@ -262,9 +262,9 @@ extern const game_def_t def;
 extern game_t g;
 extern save_t save;
 
-void game_init();
+void game_init(void);
 void game_set_scene(game_scene_t scene);
-void game_reset_championship();
-void game_update();
+void game_reset_championship(void);
+void game_update(void);
 
 #endif
diff --git a/src/wipeout/hud.c b/src/wipeout/hud.c
index c1315c9..e4480e1 100755
--- a/src/wipeout/hud.c
+++ b/src/wipeout/hud.c
@@ -50,7 +50,7 @@ const struct {
 
 static uint16_t speedo_facia_texture;
 
-void hud_load() {
+void hud_load(void) {
 	speedo_facia_texture = image_get_texture("wipeout/textures/speedo.tim");
 	target_reticle = image_get_texture_semi_trans("wipeout/textures/target2.tim");
 	weapon_icon_textures = image_get_compressed_textures("wipeout/common/wicons.cmp");
diff --git a/src/wipeout/hud.h b/src/wipeout/hud.h
index c166772..39cfa9f 100755
--- a/src/wipeout/hud.h
+++ b/src/wipeout/hud.h
@@ -3,7 +3,7 @@
 
 #include "ship.h"
 
-void hud_load();
+void hud_load(void);
 void hud_draw(ship_t *ship);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/wipeout/ingame_menus.c b/src/wipeout/ingame_menus.c
index da820e1..1cb7f7a 100644
--- a/src/wipeout/ingame_menus.c
+++ b/src/wipeout/ingame_menus.c
@@ -19,7 +19,7 @@ static void page_hall_of_fame_init(menu_t * menu);
 static texture_list_t pilot_portraits;
 static menu_t *ingame_menu;
 
-void ingame_menus_load() {
+void ingame_menus_load(void) {
 	pilot_portraits = image_get_compressed_textures(def.pilots[g.pilot].portrait);
 	ingame_menu = mem_bump(sizeof(menu_t));
 }
@@ -86,7 +86,7 @@ static void button_music(menu_t *menu, int data) {
 	menu_page_add_button(page, 0, "RANDOM", button_music_random);
 }
 
-menu_t *pause_menu_init() {
+menu_t *pause_menu_init(void) {
 	sfx_play(SFX_MENU_SELECT);
 	menu_reset(ingame_menu);
 
@@ -103,7 +103,7 @@ menu_t *pause_menu_init() {
 // -----------------------------------------------------------------------------
 // Game Over
 
-menu_t *game_over_menu_init() {
+menu_t *game_over_menu_init(void) {
 	sfx_play(SFX_MENU_SELECT);
 	menu_reset(ingame_menu);
 
@@ -187,7 +187,7 @@ static void page_race_stats_draw(menu_t *menu, int data) {
 	pos.y += 12;
 }
 
-menu_t *race_stats_menu_init() {
+menu_t *race_stats_menu_init(void) {
 	sfx_play(SFX_MENU_SELECT);
 	menu_reset(ingame_menu);
 	
diff --git a/src/wipeout/ingame_menus.h b/src/wipeout/ingame_menus.h
index 2327527..2386b79 100644
--- a/src/wipeout/ingame_menus.h
+++ b/src/wipeout/ingame_menus.h
@@ -3,11 +3,11 @@
 
 #include "menu.h"
 
-void ingame_menus_load();
+void ingame_menus_load(void);
 
-menu_t *pause_menu_init();
-menu_t *game_over_menu_init();
-menu_t *race_stats_menu_init();
+menu_t *pause_menu_init(void);
+menu_t *game_over_menu_init(void);
+menu_t *race_stats_menu_init(void);
 menu_t *text_scroll_menu_init(char * const *lines, int len);
 
 #endif
diff --git a/src/wipeout/intro.c b/src/wipeout/intro.c
index 38e66d2..c252b49 100644
--- a/src/wipeout/intro.c
+++ b/src/wipeout/intro.c
@@ -33,9 +33,9 @@ static int audio_buffer_write_pos;
 static void video_cb(plm_t *plm, plm_frame_t *frame, void *user);
 static void audio_cb(plm_t *plm, plm_samples_t *samples, void *user);
 static void audio_mix(float *samples, uint32_t len);
-static void intro_end();
+static void intro_end(void);
 
-void intro_init() {
+void intro_init(void) {
 	plm = plm_create_with_filename("wipeout/intro.mpeg");
 	if (!plm) {
 		intro_end();
@@ -62,12 +62,12 @@ void intro_init() {
 	audio_buffer_write_pos = 0;
 }
 
-static void intro_end() {
+static void intro_end(void) {
 	sfx_set_external_mix_cb(NULL);
 	game_set_scene(GAME_SCENE_TITLE);
 }
 
-void intro_update() {
+void intro_update(void) {
 	if (!plm) {
 		return;
 	}
diff --git a/src/wipeout/intro.h b/src/wipeout/intro.h
index 21fea00..a2e00dc 100644
--- a/src/wipeout/intro.h
+++ b/src/wipeout/intro.h
@@ -1,8 +1,8 @@
 #ifndef INTRO_H
 #define INTRO_H
 
-void intro_init();
-void intro_update();
-void intro_cleanup();
+void intro_init(void);
+void intro_update(void);
+void intro_cleanup(void);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/wipeout/main_menu.c b/src/wipeout/main_menu.c
index f74c414..80d81dd 100755
--- a/src/wipeout/main_menu.c
+++ b/src/wipeout/main_menu.c
@@ -512,7 +512,7 @@ static void objects_unpack_imp(Object **dest_array, int len, Object *src) {
 }
 
 
-void main_menu_init() {
+void main_menu_init(void) {
 	g.is_attract_mode = false;
 
 	main_menu = mem_bump(sizeof(menu_t));
@@ -532,7 +532,7 @@ void main_menu_init() {
 	page_main_init(main_menu);
 }
 
-void main_menu_update() {
+void main_menu_update(void) {
 	render_set_view_2d();
 	render_push_2d(vec2i(0, 0), render_size(), rgba(128, 128, 128, 255), background);
 
diff --git a/src/wipeout/main_menu.h b/src/wipeout/main_menu.h
index 0e079f0..a939c32 100755
--- a/src/wipeout/main_menu.h
+++ b/src/wipeout/main_menu.h
@@ -1,7 +1,7 @@
 #ifndef MAIN_MENU_H
 #define MAIN_MENU_H
 
-void main_menu_init();
-void main_menu_update();
+void main_menu_init(void);
+void main_menu_update(void);
 
 #endif
diff --git a/src/wipeout/menu.c b/src/wipeout/menu.c
index 5d3cfe5..4235fd6 100644
--- a/src/wipeout/menu.c
+++ b/src/wipeout/menu.c
@@ -7,7 +7,7 @@
 #include "ui.h"
 #include "sfx.h"
 
-bool blink() {
+bool blink(void) {
 	// blink 30 times per second
 	return fmod(system_cycle_time(), 1.0/15.0) < 1.0/30.0;
 }
diff --git a/src/wipeout/particle.c b/src/wipeout/particle.c
index 0677f52..8c25cfc 100644
--- a/src/wipeout/particle.c
+++ b/src/wipeout/particle.c
@@ -10,17 +10,17 @@ static particle_t *particles;
 static int particles_active = 0;
 static texture_list_t particle_textures;
 
-void particles_load() {
+void particles_load(void) {
 	particles = mem_bump(sizeof(particle_t) * PARTICLES_MAX);
 	particle_textures = image_get_compressed_textures("wipeout/common/effects.cmp");
 	particles_init();
 }
 
-void particles_init() {
+void particles_init(void) {
 	particles_active = 0;
 }
 
-void particles_update() {
+void particles_update(void) {
 	for (int i = 0; i < particles_active; i++) {
 		particle_t *p = &particles[i];
 
@@ -33,7 +33,7 @@ void particles_update() {
 	}
 }
 
-void particles_draw() {
+void particles_draw(void) {
 	if (particles_active == 0) {
 		return;
 	}
diff --git a/src/wipeout/particle.h b/src/wipeout/particle.h
index 2851b80..1ae7367 100644
--- a/src/wipeout/particle.h
+++ b/src/wipeout/particle.h
@@ -23,10 +23,10 @@ typedef struct particle_t {
 	uint16_t texture;
 } particle_t;
 
-void particles_load();
-void particles_init();
+void particles_load(void);
+void particles_init(void);
 void particles_spawn(vec3_t position, uint16_t type, vec3_t velocity, int size);
-void particles_draw();
-void particles_update();
+void particles_draw(void);
+void particles_update(void);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/wipeout/race.c b/src/wipeout/race.c
index 6d85f1b..187c2ec 100755
--- a/src/wipeout/race.c
+++ b/src/wipeout/race.c
@@ -29,7 +29,7 @@ static bool has_show_credits = false;
 static float attract_start_time;
 static menu_t *active_menu = NULL;
 
-void race_init() {
+void race_init(void) {
 	ingame_menus_load();
 	menu_is_scroll_text = false;
 
@@ -67,7 +67,7 @@ void race_init() {
 	is_paused = false;
 }
 
-void race_update() {
+void race_update(void) {
 	if (is_paused) {
 		if (!active_menu) {
 			active_menu = pause_menu_init();
@@ -131,7 +131,7 @@ void race_update() {
 	}
 }
 
-void race_start() {
+void race_start(void) {
 	active_menu = NULL;
 	sfx_reset();
 	scene_init();
@@ -157,7 +157,7 @@ void race_start() {
 	g.race_time = 0;
 }
 
-void race_restart() {
+void race_restart(void) {
 	race_unpause();
 
 	if (g.race_type == RACE_TYPE_CHAMPIONSHIP) {
@@ -176,7 +176,7 @@ static bool sort_points_compare(pilot_points_t *pa, pilot_points_t *pb) {
 	return (pa->points < pb->points);
 }
 
-void race_end() {
+void race_end(void) {
 	race_release_control();
 
 	g.race_position = g.ships[g.pilot].position_rank;
@@ -222,7 +222,7 @@ void race_end() {
 	active_menu = race_stats_menu_init();
 }
 
-void race_next() {
+void race_next(void) {
 	int next_circut = g.circut + 1;
 
 	// Championship complete
@@ -259,7 +259,7 @@ void race_next() {
 	}
 }
 
-void race_release_control() {
+void race_release_control(void) {
 	flags_rm(g.ships[g.pilot].flags, SHIP_RACING);
 	g.ships[g.pilot].remote_thrust_max = 3160;
 	g.ships[g.pilot].remote_thrust_mag = 32;
@@ -267,12 +267,12 @@ void race_release_control() {
 	g.camera.update_func = camera_update_attract_random;
 }
 
-void race_pause() {
+void race_pause(void) {
 	sfx_pause();
 	is_paused = true;
 }
 
-void race_unpause() {
+void race_unpause(void) {
 	sfx_unpause();
 	is_paused = false;
 	active_menu = NULL;
diff --git a/src/wipeout/race.h b/src/wipeout/race.h
index 86f0937..65192b8 100755
--- a/src/wipeout/race.h
+++ b/src/wipeout/race.h
@@ -1,14 +1,14 @@
 #ifndef RACE_H
 #define RACE_H
 
-void race_init();
-void race_update();
-void race_start();
-void race_restart();
-void race_pause();
-void race_unpause();
-void race_end();
-void race_next();
-void race_release_control();
+void race_init(void);
+void race_update(void);
+void race_start(void);
+void race_restart(void);
+void race_pause(void);
+void race_unpause(void);
+void race_end(void);
+void race_next(void);
+void race_release_control(void);
 
 #endif
diff --git a/src/wipeout/scene.c b/src/wipeout/scene.c
index 8ce5ced..3cce86c 100755
--- a/src/wipeout/scene.c
+++ b/src/wipeout/scene.c
@@ -47,7 +47,7 @@ static struct {
 
 void scene_pulsate_red_light(Object *obj);
 void scene_move_oil_pump(Object *obj);
-void scene_update_aurora_borealis();
+void scene_update_aurora_borealis(void);
 
 void scene_load(const char *base_path, float sky_y_offset) {
 	texture_list_t scene_textures = image_get_compressed_textures(get_path(base_path, "scene.cmp"));
@@ -93,14 +93,14 @@ void scene_load(const char *base_path, float sky_y_offset) {
 	aurora_borealis.enabled = false;
 }
 
-void scene_init() {
+void scene_init(void) {
 	scene_set_start_booms(0);
 	for (int i = 0; i < stands_len; i++) {
 		stands[i].sfx = sfx_reserve_loop(SFX_CROWD);
 	}
 }
 
-void scene_update() {
+void scene_update(void) {
 	for (int i = 0; i < red_lights_len; i++) {
 		scene_pulsate_red_light(red_lights[i]);
 	}
@@ -198,7 +198,7 @@ void scene_move_oil_pump(Object *pump) {
 	mat4_set_yaw_pitch_roll(&pump->mat, vec3(sin(system_cycle_time() * 0.125 * M_PI * 2), 0, 0));
 }
 
-void scene_init_aurora_borealis() {
+void scene_init_aurora_borealis(void) {
 	aurora_borealis.enabled = true;
 	clear(aurora_borealis.grey_coords);
 
@@ -236,7 +236,7 @@ void scene_init_aurora_borealis() {
 	}
 }
 
-void scene_update_aurora_borealis() {
+void scene_update_aurora_borealis(void) {
 	float phase = system_time() / 30.0;
 	for (int i = 0; i < 80; i++) {
 		int16_t *coords = aurora_borealis.coords[i];
diff --git a/src/wipeout/scene.h b/src/wipeout/scene.h
index 537fa28..a0c204a 100755
--- a/src/wipeout/scene.h
+++ b/src/wipeout/scene.h
@@ -6,10 +6,9 @@
 
 void scene_load(const char *path, float sky_y_offset);
 void scene_draw(camera_t *camera);
-void scene_init();
+void scene_init(void);
 void scene_set_start_booms(int num_lights);
-void scene_init_aurora_borealis();
-void scene_update();
-void scene_draw();
+void scene_init_aurora_borealis(void);
+void scene_update(void);
 
 #endif
diff --git a/src/wipeout/sfx.c b/src/wipeout/sfx.c
index 178566b..a7a33a1 100644
--- a/src/wipeout/sfx.c
+++ b/src/wipeout/sfx.c
@@ -50,7 +50,7 @@ static sfx_t *nodes;
 static music_decoder_t *music;
 static void (*external_mix_cb)(float *, uint32_t len) = NULL;
 
-void sfx_load() {
+void sfx_load(void) {
 	// Init decode buffer for music
 	uint32_t channels = 2;
 	music = mem_bump(sizeof(music_decoder_t));
@@ -118,7 +118,7 @@ void sfx_load() {
 	platform_set_audio_mix_cb(sfx_stero_mix);
 }
 
-void sfx_reset() {
+void sfx_reset(void) {
 	for (int i = 0; i < SFX_MAX; i++) {
 		if (flags_is(nodes[i].flags, SFX_LOOP)) {
 			flags_set(nodes[i].flags, SFX_NONE);
@@ -126,7 +126,7 @@ void sfx_reset() {
 	}
 }
 
-void sfx_unpause() {
+void sfx_unpause(void) {
 	for (int i = 0; i < SFX_MAX; i++) {
 		if (flags_is(nodes[i].flags, SFX_LOOP_PAUSE)) {
 			flags_rm(nodes[i].flags, SFX_LOOP_PAUSE);
@@ -135,7 +135,7 @@ void sfx_unpause() {
 	}
 }
 
-void sfx_pause() {
+void sfx_pause(void) {
 	for (int i = 0; i < SFX_MAX; i++) {
 		if (flags_is(nodes[i].flags, SFX_PLAY | SFX_LOOP)) {
 			flags_rm(nodes[i].flags, SFX_PLAY);
@@ -227,7 +227,7 @@ void sfx_set_position(sfx_t *sfx, vec3_t pos, vec3_t vel, float volume) {
 
 // Music
 
-uint32_t sfx_music_decode_frame() {
+uint32_t sfx_music_decode_frame(void) {
 	if (!music->file) {
 		return 0;
 	}
@@ -240,7 +240,7 @@ uint32_t sfx_music_decode_frame() {
 	return frame_len;
 }
 
-void sfx_music_rewind() {
+void sfx_music_rewind(void) {
 	fseek(music->file, music->first_frame_pos, SEEK_SET);
 	music->sample_data_len = 0;
 	music->sample_data_pos = 0;
diff --git a/src/wipeout/sfx.h b/src/wipeout/sfx.h
index e07f390..0ae09e2 100644
--- a/src/wipeout/sfx.h
+++ b/src/wipeout/sfx.h
@@ -58,12 +58,12 @@ typedef struct {
 #define SFX_MAX 64
 #define SFX_MAX_ACTIVE 16
 
-void sfx_load();
+void sfx_load(void);
 void sfx_stero_mix(float *buffer, uint32_t len);
 void sfx_set_external_mix_cb(void (*cb)(float *, uint32_t len));
-void sfx_reset();
-void sfx_pause();
-void sfx_unpause();
+void sfx_reset(void);
+void sfx_pause(void);
+void sfx_unpause(void);
 
 sfx_t *sfx_play(sfx_source_t source_index);
 sfx_t *sfx_play_at(sfx_source_t source_index, vec3_t pos, vec3_t vel, float volume);
@@ -77,9 +77,9 @@ typedef enum {
 	SFX_MUSIC_LOOP
 } sfx_music_mode_t;
 
-void sfx_music_next();
+void sfx_music_next(void);
 void sfx_music_play(uint32_t index);
 void sfx_music_mode(sfx_music_mode_t);
-void sfx_music_pause();
+void sfx_music_pause(void);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/wipeout/ship.c b/src/wipeout/ship.c
index b06149c..ff807bf 100644
--- a/src/wipeout/ship.c
+++ b/src/wipeout/ship.c
@@ -16,7 +16,7 @@
 #include "race.h"
 #include "sfx.h"
 
-void ships_load() {
+void ships_load(void) {
 	texture_list_t ship_textures = image_get_compressed_textures("wipeout/common/allsh.cmp");
 	Object *ship_models = objects_load("wipeout/common/allsh.prm", ship_textures);
 
@@ -120,7 +120,7 @@ static inline bool sort_rank_compare(pilot_points_t *pa, pilot_points_t *pb) {
 	}
 }
 
-void ships_update() {
+void ships_update(void) {
 	if (g.race_type == RACE_TYPE_TIME_TRIAL) {
 		ship_update(&g.ships[g.pilot]);
 	}
@@ -145,7 +145,7 @@ void ships_update() {
 
 
 
-void ships_draw() {
+void ships_draw(void) {
 	// Ship models
 	for (int i = 0; i < len(g.ships); i++) {
 		if (
diff --git a/src/wipeout/ship.h b/src/wipeout/ship.h
index 4888ac8..47e4c91 100644
--- a/src/wipeout/ship.h
+++ b/src/wipeout/ship.h
@@ -146,10 +146,10 @@ typedef struct ship_t {
 	sfx_t *sfx_shield;
 } ship_t;
 
-void ships_load();
+void ships_load(void);
 void ships_init(section_t *section);
-void ships_draw();
-void ships_update();
+void ships_draw(void);
+void ships_update(void);
 
 void ship_init(ship_t *self, section_t *section, int pilot, int position);
 void ship_init_exhaust_plume(ship_t *self);
@@ -165,4 +165,4 @@ vec3_t ship_wing_left(ship_t *self);
 vec3_t ship_wing_right(ship_t *self);
 
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/wipeout/title.c b/src/wipeout/title.c
index 6098b4d..1ea0638 100644
--- a/src/wipeout/title.c
+++ b/src/wipeout/title.c
@@ -11,13 +11,13 @@ static uint16_t title_image;
 static float start_time;
 static bool has_shown_attract = false;
 
-void title_init() {
+void title_init(void) {
 	title_image = image_get_texture("wipeout/textures/wiptitle.tim");
 	start_time = system_time();
 	sfx_music_mode(SFX_MUSIC_RANDOM);
 }
 
-void title_update() {
+void title_update(void) {
 	render_set_view_2d();
 	render_push_2d(vec2i(0, 0), render_size(), rgba(128, 128, 128, 255), title_image);
 	ui_draw_text_centered("PRESS ENTER", ui_scaled_pos(UI_POS_BOTTOM | UI_POS_CENTER, vec2i(0, -40)), UI_SIZE_8, UI_COLOR_DEFAULT);
diff --git a/src/wipeout/title.h b/src/wipeout/title.h
index 939d7c3..892ec8a 100644
--- a/src/wipeout/title.h
+++ b/src/wipeout/title.h
@@ -1,8 +1,8 @@
 #ifndef TITLE_H
 #define TITLE_H
 
-void title_init();
-void title_update();
-void title_cleanup();
+void title_init(void);
+void title_update(void);
+void title_cleanup(void);
 
 #endif
diff --git a/src/wipeout/track.c b/src/wipeout/track.c
index 21a235e..41cb6b4 100755
--- a/src/wipeout/track.c
+++ b/src/wipeout/track.c
@@ -282,7 +282,7 @@ void track_draw(camera_t *camera) {
 	}
 }
 
-void track_cycle_pickups() {
+void track_cycle_pickups(void) {
 	float pickup_cycle_time = 1.5 * system_cycle_time();
 
 	for (int i = 0; i < g.track.pickups_len; i++) {
diff --git a/src/wipeout/track.h b/src/wipeout/track.h
index 9389034..7b7e8a1 100755
--- a/src/wipeout/track.h
+++ b/src/wipeout/track.h
@@ -91,6 +91,6 @@ section_t *track_nearest_section(vec3_t pos, section_t *section, float *distance
 struct camera_t;
 void track_draw(struct camera_t *camera);
 
-void track_cycle_pickups();
+void track_cycle_pickups(void);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/wipeout/ui.c b/src/wipeout/ui.c
index 6a4a867..22ecadd 100644
--- a/src/wipeout/ui.c
+++ b/src/wipeout/ui.c
@@ -55,7 +55,7 @@ char_set_t char_set[UI_SIZE_MAX] = {
 
 uint16_t icon_textures[UI_ICON_MAX];
 
-void ui_load() {
+void ui_load(void) {
 	texture_list_t tl = image_get_compressed_textures("wipeout/textures/drfonts.cmp");
 	char_set[UI_SIZE_16].texture   = texture_from_list(tl, 0);
 	char_set[UI_SIZE_12].texture   = texture_from_list(tl, 1);
@@ -68,7 +68,7 @@ void ui_load() {
 	icon_textures[UI_ICON_STAR]    = texture_from_list(tl, 9);
 }
 
-int ui_get_scale() {
+int ui_get_scale(void) {
 	return ui_scale;
 }
 
@@ -81,7 +81,7 @@ vec2i_t ui_scaled(vec2i_t v) {
 	return vec2i(v.x * ui_scale, v.y * ui_scale);
 }
 
-vec2i_t ui_scaled_screen() {
+vec2i_t ui_scaled_screen(void) {
 	return vec2i_mulf(render_size(), ui_scale);
 }
 
diff --git a/src/wipeout/ui.h b/src/wipeout/ui.h
index 8d577ab..9774f85 100644
--- a/src/wipeout/ui.h
+++ b/src/wipeout/ui.h
@@ -32,13 +32,13 @@ typedef enum {
 	UI_POS_BOTTOM = 1 << 5,
 } ui_pos_t;
 
-void ui_load();
-void ui_cleanup();
+void ui_load(void);
+void ui_cleanup(void);
 
-int ui_get_scale();
+int ui_get_scale(void);
 void ui_set_scale(int scale);
 vec2i_t ui_scaled(vec2i_t v);
-vec2i_t ui_scaled_screen();
+vec2i_t ui_scaled_screen(void);
 vec2i_t ui_scaled_pos(ui_pos_t anchor, vec2i_t offset);
 
 int ui_char_width(char c, ui_text_size_t size);
diff --git a/src/wipeout/weapon.c b/src/wipeout/weapon.c
index daf1546..5ec8779 100755
--- a/src/wipeout/weapon.c
+++ b/src/wipeout/weapon.c
@@ -74,7 +74,7 @@ void weapon_fire_turbo(ship_t *ship);
 
 void invert_shield_polys(Object *shield);
 
-void weapons_load() {
+void weapons_load(void) {
 	weapons = mem_bump(sizeof(weapon_t) * WEAPONS_MAX);
 	weapon_assets.reticle = image_get_texture("wipeout/textures/target2.tim");
 
@@ -106,7 +106,7 @@ void weapons_load() {
 	weapons_init();
 }
 
-void weapons_init() {
+void weapons_init(void) {
 	weapons_active = 0;
 }
 
@@ -160,7 +160,7 @@ void weapons_fire_delayed(ship_t *ship, int weapon_type) {
 
 bool weapon_collides_with_track(weapon_t *self);
 
-void weapons_update() {
+void weapons_update(void) {
 	for (int i = 0; i < weapons_active; i++) {
 		weapon_t *weapon = &weapons[i];
 		
@@ -214,7 +214,7 @@ void weapons_update() {
 	}
 }
 
-void weapons_draw() {
+void weapons_draw(void) {
 	mat4_t mat = mat4_identity();
 	for (int i = 0; i < weapons_active; i++) {
 		weapon_t *weapon = &weapons[i];
diff --git a/src/wipeout/weapon.h b/src/wipeout/weapon.h
index e8a220a..9cfccdb 100755
--- a/src/wipeout/weapon.h
+++ b/src/wipeout/weapon.h
@@ -40,12 +40,12 @@
 #define WEAPON_CLASS_PROJECTILE 2
 
 
-void weapons_load();
-void weapons_init();
+void weapons_load(void);
+void weapons_init(void);
 void weapons_fire(ship_t *ship, int weapon_type);
 void weapons_fire_delayed(ship_t *ship, int weapon_type);
-void weapons_update();
-void weapons_draw();
+void weapons_update(void);
+void weapons_draw(void);
 int weapon_get_random_type(int type_class);
 
 #endif