1 files changed, 3 insertions, 2 deletions
diff --git a/buff.h b/buff.h
index f97ed78..7745518 100644
--- a/buff.h
+++ b/buff.h
@@ -20,8 +20,8 @@ typedef struct line_t {
 extern line_t *b_start;
 extern line_t *b_end;
 extern line_t *cur;
-extern unsigned int num;
-extern unsigned int pos;
+extern int num;
+extern int pos;
 extern int addr1, addr2;
 extern char *fname;
 
@@ -35,6 +35,7 @@ void append_lines();
 void insert_lines();
 void delete_lines();
 int write_lines();
+int read_file();
 
 
 #endif /* __BUFF_H__ */