diff --git a/Mac/Lib/macerrors.py b/Mac/Lib/macerrors.py
index 8020d26..61c70ae 100644
--- a/Mac/Lib/macerrors.py
+++ b/Mac/Lib/macerrors.py
@@ -579,12 +579,12 @@
 EPIPE	=	32	#Broken pipe
 EDOM	=	33	#Numerical argument out of domain
 ERANGE	=	34	#Result too large
-EAGAIN	=	35	#Resource temporarily unavailable
-EINPROGRESS	=	36	#Operation now in progress
-EALREADY	=	37	#Operation already in progress
-ENOTSOCK	=	38	#Socket operation on non-socket
-EDESTADDRREQ	=	39	#Destination address required
-EMSGSIZE	=	40	#Message too long
+EFPOS	=	35	#File positioning error
+ESIGPARM	=	36	#Signal argument error
+ENOMEM	=	37	#Cannot allocate memory
+EACCES	=	38	#Permission denied
+ENOENT	=	39	#No such file or directory
+ENOSYS	=	40	#Function not implemented
 EPROTOTYPE	=	41	#Protocol wrong type for socket
 ENOPROTOOPT	=	42	#Protocol not available
 EPROTONOSUPPORT	=	43	#Protocol not supported
@@ -624,3 +624,8 @@
 ENOLCK	=	77	#No locks available
 ENOSYS	=	78	#Function not implemented
 EFTYPE	=	79	#Inappropriate file type or format
+EINPROGRESS	=	136	#Operation now in progress
+EALREADY	=	137	#Operation already in progress
+ENOTSOCK	=	138	#Socket operation on non-socket
+EDESTADDRREQ	=	139	#Destination address required
+EMSGSIZE	=	140	#Message too long