diff --git a/fs.c b/fs.c
index eef20e8..1256937 100644
--- a/fs.c
+++ b/fs.c
@@ -247,6 +247,7 @@ iunlockput(struct inode *ip)
   iput(ip);
 }
 
+//PAGEBREAK!
 // Allocate a new inode with the given type on device dev.
 struct inode*
 ialloc(uint dev, short type)
@@ -295,6 +296,7 @@ iupdate(struct inode *ip)
   brelse(bp);
 }
 
+//PAGEBREAK!
 // Inode contents
 //
 // The contents (data) associated with each inode is stored
@@ -522,6 +524,7 @@ dirlink(struct inode *dp, char *name, uint ino)
   return 0;
 }
 
+//PAGEBREAK!
 // Paths
 
 // Copy the next path element from path into name.
@@ -560,6 +563,21 @@ skipelem(char *path, char *name)
   return path;
 }
 
+static struct inode* _namei(char*, int, char*);
+
+struct inode*
+namei(char *path)
+{
+  char name[DIRSIZ];
+  return _namei(path, 0, name);
+}
+
+struct inode*
+nameiparent(char *path, char *name)
+{
+  return _namei(path, 1, name);
+}
+
 // Look up and return the inode for a path name.
 // If parent is set, return the inode for the parent
 // and write the final path element to name, which
@@ -602,15 +620,3 @@ _namei(char *path, int parent, char *name)
   return ip;
 }
 
-struct inode*
-namei(char *path)
-{
-  char name[DIRSIZ];
-  return _namei(path, 0, name);
-}
-
-struct inode*
-nameiparent(char *path, char *name)
-{
-  return _namei(path, 1, name);
-}
diff --git a/sysfile.c b/sysfile.c
index e05defe..1182e17 100644
--- a/sysfile.c
+++ b/sysfile.c
@@ -74,14 +74,17 @@ sys_write(void)
 }
 
 int
-sys_fstat(void)
+sys_dup(void)
 {
   struct file *f;
-  struct stat *st;
+  int fd;
   
-  if(argfd(0, 0, &f) < 0 || argptr(1, (void*)&st, sizeof(*st)) < 0)
+  if(argfd(0, 0, &f) < 0)
     return -1;
-  return filestat(f, st);
+  if((fd=fdalloc(f)) < 0)
+    return -1;
+  fileincref(f);
+  return fd;
 }
 
 int
@@ -97,6 +100,17 @@ sys_close(void)
   return 0;
 }
 
+int
+sys_fstat(void)
+{
+  struct file *f;
+  struct stat *st;
+  
+  if(argfd(0, 0, &f) < 0 || argptr(1, (void*)&st, sizeof(*st)) < 0)
+    return -1;
+  return filestat(f, st);
+}
+
 // Create the path new as a link to the same inode as old.
 int
 sys_link(void)
@@ -152,6 +166,7 @@ isdirempty(struct inode *dp)
   return 1;
 }
 
+//PAGEBREAK!
 int
 sys_unlink(void)
 {
@@ -344,20 +359,6 @@ sys_chdir(void)
   return 0;
 }
 
-int
-sys_dup(void)
-{
-  struct file *f;
-  int fd;
-  
-  if(argfd(0, 0, &f) < 0)
-    return -1;
-  if((fd=fdalloc(f)) < 0)
-    return -1;
-  fileincref(f);
-  return fd;
-}
-
 int
 sys_exec(void)
 {