--- alloc.c.orig	2007-12-26 14:24:10.000000000 -0200
+++ alloc.c	2007-12-26 14:25:40.000000000 -0200
@@ -1,7 +1,6 @@
+#include <stdlib.h>
 #include "alloc.h"
 #include "error.h"
-extern char *malloc();
-extern void free();
 
 #define ALIGNMENT 16 /* XXX: assuming that this alignment is enough */
 #define SPACE 4096 /* must be multiple of ALIGNMENT */
--- spawn.c.orig	2007-12-26 14:24:53.000000000 -0200
+++ spawn.c	2007-12-26 14:25:09.000000000 -0200
@@ -1,5 +1,6 @@
 #include <sys/types.h>
 #include <sys/stat.h>
+#include "alloc.h"
 #include "sig.h"
 #include "wait.h"
 #include "substdio.h"
--- cdbmake_add.c.orig	2009-04-20 08:28:36.000000000 -0300
+++ cdbmake_add.c	2009-04-20 08:28:52.000000000 -0300
@@ -1,4 +1,5 @@
 #include "cdbmake.h"
+#include "alloc.h"
 
 void cdbmake_init(cdbm)
 struct cdbmake *cdbm;