diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93b43a8..748e52b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,9 @@ if (NOT WIN32)
 		)
 endif (NOT WIN32)
 
-add_definitions("-std=gnu11 -pedantic -Wall -Wextra -Wshadow -Wpointer-arith -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes")
+if (NOT WIN32)
+	add_definitions("-std=gnu11 -pedantic -Wall -Wextra -Wshadow -Wpointer-arith -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes")
+endif (NOT WIN32)
 
 # PROGRAMS:
 add_executable(breakhack
diff --git a/src/actiontext.h b/src/actiontext.h
index 2bfc9f6..eb94f8d 100644
--- a/src/actiontext.h
+++ b/src/actiontext.h
@@ -2,6 +2,7 @@
 #define	ACTIONTEXT_H_
 
 #include <SDL2/SDL.h>
+#include <stdbool.h>
 
 #include "position.h"
 #include "texture.h"
diff --git a/src/hashtable.c b/src/hashtable.c
index 9171dd0..0a11e60 100644
--- a/src/hashtable.c
+++ b/src/hashtable.c
@@ -94,7 +94,7 @@ ht_set(Hashtable *table, const char *key, void *val)
 		/* New entry */
 		newEntry = entry_create(key, val);
 
-		if (next == table->entries[hashkey] && last == NULL) {
+		if (next == table->entries[hashkey]) {
 			table->entries[hashkey] = newEntry;
 			newEntry->next = next;
 		} else if(next == NULL) {
diff --git a/src/linkedlist.c b/src/linkedlist.c
index 4084ba2..fec32f3 100644
--- a/src/linkedlist.c
+++ b/src/linkedlist.c
@@ -23,7 +23,7 @@ LinkedList* linkedlist_node_create(void)
 	return newList;
 }
 
-LinkedList* linkedlist_create()
+LinkedList* linkedlist_create(void)
 {
 	return NULL;
 }
diff --git a/src/map.c b/src/map.c
index 4c8ba4b..0cffd4e 100644
--- a/src/map.c
+++ b/src/map.c
@@ -199,7 +199,7 @@ void map_render(Map *map, Camera *cam)
 	}
 
 	monsterItem = map->monsters;
-	while (monsterItem) {
+	while (monsterItem != NULL) {
 		Monster *monster = monsterItem->data;
 		monsterItem = monsterItem->next;
 		monster_render(monster, cam);
diff --git a/src/map_lua.c b/src/map_lua.c
index d24d6e0..13d5262 100644
--- a/src/map_lua.c
+++ b/src/map_lua.c
@@ -62,8 +62,8 @@ int l_map_set_current_room(lua_State *L)
 	unsigned int room_x, room_y;
 
 	map = luaL_checkmap(L, 1);
-	room_x = luaL_checkinteger(L, 2);
-	room_y = luaL_checkinteger(L, 3);
+	room_x = (int) luaL_checkinteger(L, 2);
+	room_y = (int) luaL_checkinteger(L, 3);
 	
 	map->currentRoom = (Position) { room_x, room_y };
 
@@ -96,8 +96,8 @@ extract_tile_data(lua_State *L,
 	bool collider, lightsource;
 
 	map = luaL_checkmap(L, 1);
-	tile_x = luaL_checkinteger(L, 2);
-	tile_y = luaL_checkinteger(L, 3);
+	tile_x = (int) luaL_checkinteger(L, 2);
+	tile_y = (int) luaL_checkinteger(L, 3);
 
 	// Read the table
 	lua_settop(L, 4);
@@ -111,10 +111,10 @@ extract_tile_data(lua_State *L,
 	lua_getfield(L, 4, "isCollider");
 	lua_getfield(L, 4, "isLightSource");
 
-	t_index0 = luaL_checkinteger(L, -6);
-	t_index1 = luaL_checkinteger(L, -5);
-	tile_clip_x = luaL_checkinteger(L, -4);
-	tile_clip_y = luaL_checkinteger(L, -3);
+	t_index0 = (int) luaL_checkinteger(L, -6);
+	t_index1 = (int) luaL_checkinteger(L, -5);
+	tile_clip_x = (int) luaL_checkinteger(L, -4);
+	tile_clip_y = (int) luaL_checkinteger(L, -3);
 	collider = lua_toboolean(L, -2);
 	lightsource = lua_toboolean(L, -1);
 
@@ -156,8 +156,8 @@ l_add_monster(lua_State *L)
 
 	renderer = luaL_checksdlrenderer(L);
 	map = luaL_checkmap(L, 1);
-	x = luaL_checkinteger(L, 2);
-	y = luaL_checkinteger(L, 3);
+	x = (int) luaL_checkinteger(L, 2);
+	y = (int) luaL_checkinteger(L, 3);
 
 	// Read the table
 	lua_settop(L, 4);
@@ -172,10 +172,10 @@ l_add_monster(lua_State *L)
 
 	texture_path_1 = luaL_checkstring(L, -6);
 	texture_path_2 = luaL_checkstring(L, -5);
-	clip_x = luaL_checkinteger(L, -4);
-	clip_y = luaL_checkinteger(L, -3);
-	nstate = luaL_checkinteger(L, -2);
-	cstate = luaL_checkinteger(L, -1);
+	clip_x = (int) luaL_checkinteger(L, -4);
+	clip_y = (int) luaL_checkinteger(L, -3);
+	nstate = (int) luaL_checkinteger(L, -2);
+	cstate = (int) luaL_checkinteger(L, -1);
 
 	texture1 = map_add_monster_texture(map, texture_path_1, renderer);
 	texture2 = map_add_monster_texture(map, texture_path_2, renderer);
diff --git a/src/player.c b/src/player.c
index 4426596..29a25ec 100644
--- a/src/player.c
+++ b/src/player.c
@@ -155,23 +155,23 @@ player_create(class_t class, SDL_Renderer *renderer)
 	char asset[100];
 	switch (class) {
 		case ENGINEER:
-			_strcpy(asset, 100, "assets/Commissions/Engineer.png");
+			m_strcpy(asset, 100, "assets/Commissions/Engineer.png");
 			player->stats = (Stats) ENGINEER_STATS;
 			break;
 		case MAGE:
-			_strcpy(asset, 100, "assets/Commissions/Mage.png");
+			m_strcpy(asset, 100, "assets/Commissions/Mage.png");
 			player->stats = (Stats) MAGE_STATS;
 			break;
 		case PALADIN:
-			_strcpy(asset, 100, "assets/Commissions/Paladin.png");
+			m_strcpy(asset, 100, "assets/Commissions/Paladin.png");
 			player->stats = (Stats) PALADIN_STATS;
 			break;
 		case ROGUE:
-			_strcpy(asset, 100, "assets/Commissions/Rogue.png");
+			m_strcpy(asset, 100, "assets/Commissions/Rogue.png");
 			player->stats = (Stats) ROGUE_STATS;
 			break;
 		case WARRIOR:
-			_strcpy(asset, 100, "assets/Commissions/Warrior.png");
+			m_strcpy(asset, 100, "assets/Commissions/Warrior.png");
 			player->stats = (Stats) WARRIOR_STATS;
 			break;
 	}
diff --git a/src/random.c b/src/random.c
index af0bff9..234a4bc 100644
--- a/src/random.c
+++ b/src/random.c
@@ -8,7 +8,7 @@ get_random(unsigned int max)
 {
 	static bool seeded = false;
 	if (!seeded) {
-		srand(time(NULL));
+		srand((unsigned int) time(NULL));
 		seeded = true;
 	}
 
diff --git a/src/roommatrix.c b/src/roommatrix.c
index 3a19e2e..301884d 100644
--- a/src/roommatrix.c
+++ b/src/roommatrix.c
@@ -62,7 +62,7 @@ void roommatrix_populate_from_map(RoomMatrix *rm, Map *m)
 	}
 }
 
-#ifndef WINDOWS
+#ifndef _WIN32
 static int
 min(int a, int b)
 {
@@ -74,7 +74,7 @@ max(int a, int b)
 {
 	return a > b ? a : b;
 }
-#endif
+#endif // _WIN32
 
 void
 roommatrix_update_with_player(RoomMatrix *rm, Player *p)
diff --git a/src/screenresolution.c b/src/screenresolution.c
index 84af914..1071308 100644
--- a/src/screenresolution.c
+++ b/src/screenresolution.c
@@ -1,24 +1,24 @@
 #include "defines.h"
 
-#ifndef WINDOWS
+#ifndef _WIN32
 #include <X11/Xlib.h>
-#endif
+#endif // _WIN32
 #include <stdlib.h>
 
 #include "screenresolution.h"
 
 Dimension getScreenDimensions(void)
 {
-#ifndef WINDOWS
+#ifndef _WIN32
 	Display *d = XOpenDisplay(NULL);
 	Screen *s = DefaultScreenOfDisplay(d);
 	Dimension dim = (Dimension) { s->width, s->height };
 
 	free(d);
 	free(s);
-#else
+#else // _WIN32
 	Dimension dim = (Dimension) { 1920, 1080 };
-#endif
+#endif // _WIN32
 
 	return dim;
 }
diff --git a/src/sprite.c b/src/sprite.c
index be6bf93..840fff1 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -10,7 +10,8 @@ Sprite* sprite_create_default(void)
 	*s = (Sprite) {
 		{ NULL, NULL },
 		(SDL_Rect) { 0, 0, 16, 16 },
-		false, pos,
+		false,
+		pos,
 		NULL,
 		0
 	};
diff --git a/src/stats.c b/src/stats.c
index 66d40c7..07678c0 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <stdbool.h>
 #include <SDL2/SDL_ttf.h>
 
diff --git a/src/util.c b/src/util.c
index ac77f77..79f403e 100644
--- a/src/util.c
+++ b/src/util.c
@@ -9,7 +9,7 @@
 #include "util.h"
 
 void
-_strcpy(char *restrict dest, size_t destsz, char *restrict src)
+m_strcpy(char *dest, size_t destsz, char *src)
 {
 #ifndef _WIN32
 	UNUSED(destsz);
@@ -20,9 +20,9 @@ _strcpy(char *restrict dest, size_t destsz, char *restrict src)
 }
 
 void
-_strncat(char *restrict dest,
+m_strncat(char *dest,
 	 size_t destsz,
-	 char *restrict src,
+	 char *src,
 	 size_t srcsz)
 {
 #ifndef _WIN32
@@ -38,8 +38,8 @@ void fatal(char *message)
 {
 	char error_message[100];
 
-	_strcpy(error_message, 100, "[!!] Fatal Error ");
-	_strncat(error_message, 100, message, 83);
+	m_strcpy(error_message, 100, "[!!] Fatal Error ");
+	m_strncat(error_message, 100, message, 83);
 	perror(error_message);
 	exit(-1);
 }
diff --git a/src/util.h b/src/util.h
index 1c7ba30..dbb8982 100644
--- a/src/util.h
+++ b/src/util.h
@@ -5,12 +5,9 @@ void fatal(char *message);
 
 void *ec_malloc(unsigned int size);
 
-void _strcpy(char *restrict dest, size_t destsz, char *restrict src);
+void m_strcpy(char *dest, size_t destsz, char *src);
 
 void
-_strncat(char *restrict dest,
-		size_t destsz,
-		char *restrict src,
-		size_t srcsz);
+m_strncat(char *dest, size_t destsz, char *src, size_t srcsz);
 
 #endif // UTIL_H_