4 files changed, 8 insertions, 6 deletions
diff --git a/makefile b/makefile
index 9a2f51a..8dd5899 100644
--- a/makefile
+++ b/makefile
@@ -3,8 +3,8 @@ FLAGS = -g
 YACC = yacc
 LEX = lex
 
-mypc: y.tab.o lex.yy.o tree.o hash.o node.o pc.o
-	$(CC) $(FLAGS) -o mypc main.o tree.o hash.o node.o y.tab.o lex.yy.o -lfl -ly
+mypc: y.tab.o lex.yy.o tree.o scope.o node.o pc.o
+	$(CC) $(FLAGS) -o mypc main.o tree.o scope.o node.o y.tab.o lex.yy.o -lfl -ly
 
 pc.o: main.c pc.h
 	$(CC) $(FLAGS) -c main.c
@@ -12,8 +12,8 @@ pc.o: main.c pc.h
 tree.o: tree.c tree.h
 	$(CC) $(FLAGS) -c tree.c
 
-hash.o: hash.c hash.h
-	$(CC) $(FLAGS) -c hash.c
+scope.o: scope.c scope.h
+	$(CC) $(FLAGS) -c scope.c
 
 node.o: node.c node.h
 	$(CC) $(FLAGS) -c node.c
diff --git a/pc.y b/pc.y
index 495f64a..e8f2baa 100644
--- a/pc.y
+++ b/pc.y
@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <stddef.h>
 
+#include "node.h"
+#include "scope.h"
 #include "tree.h"
 #include "y.tab.h"
 #include "pc.h"
diff --git a/hash.c b/scope.c
index 21ddb1a..32167fc 100644
--- a/hash.c
+++ b/scope.c
@@ -1,10 +1,10 @@
 #include <stdio.h>
-#include <stdilb.h>
+#include <stdlib.h>
 #include <assert.h>
 #include <string.h>
 
 #include "node.h"
-#include "hash.h"
+#include "scope.h"
 
 scope* mkscope(prev)
 scope* prev;
diff --git a/hash.h b/scope.h
index 8a8cdb1..8a8cdb1 100644
--- a/hash.h
+++ b/scope.h