diff --git a/BoundedBuffer.cpp b/BoundedBuffer.cpp
index a64a667..292a9e4 100755
--- a/BoundedBuffer.cpp
+++ b/BoundedBuffer.cpp
@@ -1,10 +1,17 @@
 
+#include "semaphore.h"
+#include "BoundedBuffer.h"
+//#include "semaphore.h"
+//#include <stdio>
+#include <string>
+#include <vector>
+
 void BoundedBuffer::push(string item){
 
-    empty.P();
+    empty->P();
     data.push_back(item);
     
-    full.V();//increment the number of full slots now.
+    full->V();//increment the number of full slots now.
 }
 
 void BoundedBuffer::pop(){
diff --git a/BoundedBuffer.h b/BoundedBuffer.h
index 5d14b02..2420fdd 100755
--- a/BoundedBuffer.h
+++ b/BoundedBuffer.h
@@ -1,9 +1,15 @@
 
+
+#ifndef _BoundedBuffer_H_
+#define _BoundedBuffer_H_
+
 #include <vector>
+#include <string>
+//#include <semaphore.h>
 
 using namespace std;
 
-unsigned int n = 20, b = 100, w = 5;
+extern unsigned int n, b, w;
 
 class BoundedBuffer{
 	
@@ -20,9 +26,9 @@ class BoundedBuffer{
     void push(string item);
             
     void pop();
-        
     
     //can't be larger than b strings
     //b = user input
 };
 
+#endif
diff --git a/makefile b/makefile
index 13e1369..106521b 100755
--- a/makefile
+++ b/makefile
@@ -8,5 +8,9 @@ reqchannel.o: reqchannel.h reqchannel.cpp
 dataserver: dataserver.cpp reqchannel.o 
 	g++ -std=c++11 -g -o dataserver dataserver.cpp reqchannel.o -lpthread
 
-simpleclient: simpleclient.cpp reqchannel.o
-	g++ -std=c++11 -g -o simpleclient simpleclient.cpp reqchannel.o
+simpleclient: simpleclient.cpp reqchannel.o BoundedBuffer.cpp
+	g++ -std=c++11 -g -o simpleclient simpleclient.cpp reqchannel.o BoundedBuffer.cpp
+
+clean:
+	$(RM) *.o
+
diff --git a/simpleclient.cpp b/simpleclient.cpp
index 428afdd..b7b9863 100755
--- a/simpleclient.cpp
+++ b/simpleclient.cpp
@@ -44,8 +44,6 @@ using namespace std;
 /* CONSTANTS */
 /*--------------------------------------------------------------------------*/
 
-// unsigned int n = 20, b = 100, w = 5;
-
     /* -- (none) -- */
 
 /*--------------------------------------------------------------------------*/
@@ -62,6 +60,9 @@ int main(int argc, char * argv[]) {
     
     int option = -1;
 
+    unsigned int n;
+    unsigned int b;
+    unsigned int w;
     while ((option = getopt(argc, argv, "n:b:w:")) != -1){
         switch (option){
             case 'n' :