Fix "implicit declaration" warning messages

collisionDetection.c

@@ -1,5 +1,9 @@
 #include <world.h>
 #include <string.h>
+#include <drawWindows.h>
+#include <weaponsSystem.h>
+#include <unistd.h>
+
 struct CollisionEvent collisionDetect(int objYpos, int objXpos){
 	int i;
 	for(i=1; i<MAX_ENTITIES; i++){

drawWindows.c

@@ -1,8 +1,8 @@
 #include <world.h>
+#include <initializeWorld.h>
 #include <stdlib.h>
 #include <string.h>
 #include <weaponsSystem.h>
-
 void updateViewportWin(){
 	int i;
 	for(i=0; i<MAX_ITEMS; i++){

drawWindows.h

@@ -0,0 +1,8 @@
+#ifndef _DRAW_WINDOWS
+#define _DRAW_WINDOWS
+
+void updateViewportWin();
+void updateInfoWin();
+void drawGameOverWin();
+
+#endif

events.c

@@ -4,6 +4,7 @@
 #include <getPos.h>
 #include <time.h>
 #include <stdlib.h>
+#include <string.h>
 #include <zombies.h>
 
 void addItem(char *type, int yPos, int xPos){

events.h

@@ -3,4 +3,5 @@
 
 void addItem(char *type, int yPos, int xPos);
 void randomEvent();
+void tryRandomEvent();
 #endif

gameLoop.c

@@ -3,6 +3,8 @@
 #include <events.h>
 #include <getPos.h>
 #include <weaponsSystem.h>
+#include <zombies.h>
+#include <drawWindows.h>
 
 void gameLoop(){
 	while(1) {

gameLoop.h

@@ -0,0 +1,6 @@
+#ifndef _GAME_LOOP
+#define _GAME_LOOP
+
+void gameLoop();
+
+#endif

getPos.c

@@ -1,5 +1,7 @@
 #include <world.h>
 #include <getPos.h>
+#include <stdlib.h>
+
 struct OpenPos getOpenPos(){
 	int chooseAnother=1;
 	struct OpenPos openPos;

getPos.h

@@ -12,4 +12,7 @@ struct NextPos{
 }nextPos;
 
 struct OpenPos getOpenPos();
+
+void getNextPos(int y, int x, int y2, int x2);
+
 #endif

initializeWorld.c

@@ -3,6 +3,9 @@
 #include <string.h>
 #include <ncurses.h>
 #include <world.h>
+#include <drawWindows.h>
+#include <zombies.h>
+#include <nZombies.h>
 #include <getPos.h>
 
 void initializeWorld() {

initializeWorld.h

@@ -0,0 +1,7 @@
+#ifndef _EVENTS
+#define _EVENTS
+
+void initializeWorld();
+void restartGame();
+
+#endif

nZombies.c

@@ -1,4 +1,7 @@
 #include <time.h>
+#include <initializeWorld.h>
+#include <gameLoop.h>
+
 int main() {
 	initializeWorld();
 	gameLoop();

nZombies.h

@@ -0,0 +1,6 @@
+#ifndef _N_Zombies
+#define _N_Zombies
+
+void main();
+
+#endif

weaponsSystem.c

@@ -1,6 +1,8 @@
 #include <world.h>
 #include <collisionDetection.h>
 #include <weaponsSystem.h>
+#include <string.h>
+
 void moveProjectiles(){
 	int i;
 	for(i=0; i<MAX_PROJECTILES; i++){

weaponsSystem.h

@@ -4,5 +4,6 @@
 void moveProjectiles();
 void fireWeapon();
 void addMagazine();
+void reload(struct Weapon *weaponRef);
 
 #endif

zombies.c

@@ -1,6 +1,9 @@
 #include <world.h>
 #include <getPos.h>
 #include <collisionDetection.h>
+#include <stdlib.h>
+#include <getPos.h>
+
 void addZombie(int y, int x){
 	if (y && x){
 		int i;